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WO1992008207A1 - Dispositif pour la reception et l'evaluation de signaux optiques - Google Patents

Dispositif pour la reception et l'evaluation de signaux optiques Download PDF

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Publication number
WO1992008207A1
WO1992008207A1 PCT/CH1991/000203 CH9100203W WO9208207A1 WO 1992008207 A1 WO1992008207 A1 WO 1992008207A1 CH 9100203 W CH9100203 W CH 9100203W WO 9208207 A1 WO9208207 A1 WO 9208207A1
Authority
WO
WIPO (PCT)
Prior art keywords
subcircuit
computer
housing
sensor
plug
Prior art date
Application number
PCT/CH1991/000203
Other languages
German (de)
English (en)
Inventor
Stefan Schicker
Lorenz Müller
Original Assignee
Medese Ag
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Medese Ag filed Critical Medese Ag
Priority to BR919106200A priority Critical patent/BR9106200A/pt
Priority to AU85253/91A priority patent/AU648824B2/en
Priority to KR1019920701573A priority patent/KR920704238A/ko
Publication of WO1992008207A1 publication Critical patent/WO1992008207A1/fr

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/0002—Remote monitoring of patients using telemetry, e.g. transmission of vital signals via a communication network
    • A61B5/0015—Remote monitoring of patients using telemetry, e.g. transmission of vital signals via a communication network characterised by features of the telemetry system
    • A61B5/0017—Remote monitoring of patients using telemetry, e.g. transmission of vital signals via a communication network characterised by features of the telemetry system transmitting optical signals
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/18—Packaging or power distribution
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/02—Input arrangements using manually operated switches, e.g. using keyboards or dials
    • G06F3/023—Arrangements for converting discrete items of information into a coded form, e.g. arrangements for interpreting keyboard generated codes as alphanumeric codes, operand codes or instruction codes
    • G06F3/0231—Cordless keyboards

Definitions

  • the invention relates to a device for receiving and evaluating optical signals, having a sensor for receiving the optical signals and converting them into electrical signals, a receiver part for processing the electrical signals into data, and a computer for processing the data and / or information which can be recorded and / or used for control purposes, according to the preamble of claim 1.
  • optical signals denotes an alternating electromagnetic field with a frequency in the spectral range of infrared, visible and / or ultraviolet light.
  • Optical signals accordingly include the intensity, frequency and / or pulse modulation of light in the infrared, visible and / or ultraviolet spectral range.
  • WO-90/08501 to provide information in the form of coded digital values, to transmit these as optical signals and to convert the latter back into coded digital values in a receiver and then to pass them on for further processing as electrical signals .
  • This processing can include a graphical representation.
  • a light receiving unit for the optical signals comprises a sensor and its supply and output circuits, the sensor being arranged on a wall of the housing of the light receiving unit.
  • the disadvantage here is that the receiver part and the computer are accommodated separately from one another in different housings and the signals provided by the receiver part must be fed to the computer via a cable.
  • receiver part and the computer each require their own power supply and the corresponding cables for connection to the electrical network.
  • the advantage of the invention is that the entire receiver part and its connections are included in the computer and are therefore inaccessible to the personnel, so that the receiver part is not exposed to external influences on the one hand and does not endanger the personnel on the other hand.
  • FIG. 1 shows an example of an arrangement of the sensor on a wall of the housing of the computer in the device according to the invention
  • Fig. 2 shows an example of an embodiment of the circuit of the
  • FIG. 1 schematically shows a computer, for example of the type known today as a PC ("personal computer").
  • the computer has a housing 1, on the front wall 2 of which the front side 3 of a diskette unit 4 (“diskette drive”) is visible.
  • the diskette unit 4 is integrated in the housing 1, the front side 3 of the diskette unit 4 in the front wall 2 of the housing 1. This integration is facilitated or made possible by the fact that today the disk units are built in a standard format in order to fit correspondingly standardized cavities that are provided in the housing of the computers.
  • This sensor is designed, for example, as a photodiode, which converts the optical signals received into electrical signals.
  • optical signals emanating from a suitable transmitter can be fed from this transmitter to the sensor either directly via the room or via a suitable light guide such as a glass fiber.
  • a sensor is designated 5 as a first example.
  • the sensor 5 is arranged on the front wall 2 of the housing 1 of the computer.
  • the device according to the invention also comprises a receiver part for processing the electrical signals into data which are fed to the computer in order to be shown therein.
  • a receiver part for processing the electrical signals into data which are fed to the computer in order to be shown therein.
  • such a receiver part is integrated in the computer so that the circuits of the receiver part are inside the housing 1 and are therefore not visible in Fig. 1, while the sensor 5 arranged on the front wall 2 of the housing 1 on a front plate 6 is mounted, which forms a wall of the receiver part and in turn is integrated on the front wall 2.
  • the sensor 5 can also be mounted directly on the front wall 2 and integrated thereon.
  • the sensor 5 can also be mounted, for example, on a plug-in card, which in turn is mounted in the computer or in the housing 1 behind the front wall 2 such that the sensor 5 projects outwards through a hole provided in the front wall 2.
  • the hole for the sensor 5 can be provided in the front plate 6, which in turn is integrated in the front wall 2.
  • the front plate 6 can be made of a relatively soft and elastic material such as a rubber-like plastic.
  • a sensor of the type mentioned above is designated 7 as a second example.
  • the sensor 7 is arranged on the front plate 8 of a receiver part.
  • the front plate 8 forms part of the housing of a receiver part, the circuits of which are in turn located inside the housing 1 and are therefore not visible in FIG. 1.
  • the housing of the receiver part is designed as a unit in the standard format of a diskette unit ("diskette drive").
  • the housing of the receiver part thus fits into the correspondingly standardized cavity of the housing 1 at a location which is normally provided for mounting a diskette unit.
  • the front plate 8 of the receiver part is designed such that it is integrated in the front wall 2 of the housing 1 when the housing of the receiver part is mounted on the computer.
  • the senor 7 can, for example, be mounted on a printed circuit board, which in turn is mounted in the computer or in the housing 1 behind the front plate 8 at a location that is normally provided for mounting a diskette unit.
  • the sensor 7 protrudes outwards through a hole provided in the front plate 8, while the front plate 8 is in turn integrated in the front wall 2.
  • a spout made of a relatively soft and elastic material such as a rubber-like plastic can be arranged between the front plate 8 and the sensor 7.
  • the senor 5 or 7 can be mounted just as well essentially in the plane of the front wall 2 or the front plate 8, or protrude outwards from the front wall 2 or the front plate 8, or still opposite the front wall 2 or the Front panel 8 must be set back inwards. In this sense it should be understood that the sensor 5 or 7 is arranged essentially on or near the front wall 2 or the front plate 8.
  • the senor 5 or 7 can include an interface to a suitable light guide, such as a glass fiber. Then it is this interface to the light guide which is mounted essentially in the plane of the front wall 2 or the front plate 8 or protrudes outwards with respect to the front wall 2 or the front plate 8 or still with respect to the front wall 2 or the Front plate 8 can be set back inwards.
  • a suitable light guide such as a glass fiber.
  • the sensor is designated 20 in FIG. 2 and is designed as a photodiode, the terminals of which are connected to the one pole of a voltage source S or to the one terminal of a resistor R are connected. The other pole of the voltage source S and the other terminal of the resistor R are connected to the ground line M of the circuit of the receiver part.
  • the sensor 20 receives a modulated light L. The optical signals transmitted by the light L are thus converted into electrical signals by the sensor 20.
  • the receiver part shown overall in FIG. 2 comprises a first subcircuit 21, a second subcircuit 22 and a third subcircuit 23.
  • the first subcircuit is intended for processing the electrical signals from the sensor 20 into serially transferable data.
  • As an input stage it comprises an amplifier 24, the input 24a of which receives the electrical signals from the sensor 20.
  • the sensor 20 is designed as a PIN diode and the amplifier 24 as a transimpedance amplifier in a manner which is described, for example, in the Hewlett-Packard Journal, December 1988, pages 26-28.
  • the output of the amplifier 24 is passed through a bandpass filter 25 and fed to the next element 26 of the first subcircuit.
  • the element 26 of the first subcircuit is an amplifier which is provided with a control input connected to an AGC circuit 27.
  • a high-quality LC resonant circuit 28 is connected to an output of the amplifier 26.
  • An exit from this LC resonant circuit 28 is connected to a control input of AGC circuit 27 via a voltage limiter 29, which closes the AGC control circuit of amplifier 26.
  • the multiplier 31 supplies at its output a voltage which is proportional to the product of the input voltage obtained from the amplifier 30 with the carrier signal obtained from the voltage limiter 29, for this purpose the multiplier 31 works according to the Gilbert cell principle, such a multiplier is for example in National Semiconductor Linear Data Handbook, Volume 3, pages 5-92 to 5-96.
  • the output signal of the multiplier 31 is passed via a bandpass filter 32 and fed to a comparator 33, the output of which supplies a demodulated signal in a serially transferable form, which is passed on to the second subcircuit via the interconnected lines 34a and 34b designed for serial transmission .
  • the second subcircuit is intended for converting the data transmitted serially via lines 34a and 34b into data which can be transmitted in parallel.
  • line 34b leads via an input amplifier 35 to an FMO demodulator with an asynchronous counter 36, which is controlled by a clock generator 37.
  • An output of the FMO demodulator 36 is connected to an input of a proto koll decoder 38, in which on the one hand suppresses the transmission protocol of the transmitted data, and on the other hand generates a 3-digit channel number.
  • the data freed from the transmission protocol and the channel number are converted in a serial / parallel converter 39 to data which can be transmitted in parallel and which are forwarded to the third subcircuit via the lines 40a and 4Ob which are connected to one another and are designed for parallel transmission.
  • the third subcircuit is intended for converting the data transmitted in parallel via lines 40a and 40b into data that can be used by the computer.
  • this third subcircuit is designed as an interrupt-controlled interface between a parallel data input and a data output which can be connected to the bus (bus) of the computer, and it comprises a correspondingly controllable component 41 and an address decoder 42, the address of which Output is connected to a control input of component 41.
  • the output lines of the component 41 and the input lines of the address decoder 42 are combined on a connector strip 43, which is designed to be inserted into one of the slots for plug-in cards in the computer.
  • Such slots for plug-in cards are known in computers of the PC ("personal computer") type.
  • the output lines of the component 41 and the input lines of the address decoder 42 are thus connected to the bus manifold of the computer when the plug connector 43 is inserted into one of the slots for plug-in cards in the computer.
  • a component 41 suitable for this purpose and a suitable address decoder 42 are known.
  • slots for plug-in cards are also known in computers of the type known as a PC (“personal computer”), as are corresponding designs of the component 41 and the address decoder 42 for use with such computers.
  • the first, the second and the third subcircuit are together on a common plug-in card in the standard format for the computer. arranged for example of the type PC.
  • the lines 34a and 34b are guided on the plug-in card and connected directly to one another, so that the serial output of the first subcircuit is connected to the serial input of the second subcircuit.
  • the lines 40a and 40b are also guided on the plug-in card and are directly connected to one another, so that the parallel output of the second subcircuit is connected to the parallel input of the third subcircuit.
  • the senor 20 is connected to an input of the first subcircuit, that is to say the amplifier 24, arranged on the plug-in card.
  • the sensor 20 can be mounted on the plug-in card and project outwards through the wall of the housing of the computer, for example through the front wall 2.
  • the receiver part has its own housing or at least its own front plate 8
  • the sensor 20 can be mounted on the plug-in card and project outwards through the wall of the housing of the receiver part, for example through the front plate 8 .
  • the first subcircuit is arranged on a printed circuit board which is mounted in the housing of the computer at a location provided for a diskette station, while the second and the third subcircuit together on a plug-in card in the standard format for the computer for example of the PC type.
  • the lines 34a and 34b are connected to one another via lines leading from the printed circuit board to the plug-in card, so that the serial output of the first subcircuit is connected to the serial input of the second subcircuit.
  • the lines 40a and 40b are guided on the plug-in card and are directly connected to one another, so that the parallel output of the second subcircuit is connected to the parallel input of the third subcircuit.
  • the first and the second subcircuit are arranged together on a circuit board which is mounted in the housing of the computer at a location provided for a diskette station, while the third subcircuit is arranged on a plug-in card in standard format for the computer, for example of the PC type.
  • the lines 34a and 34b are routed on the printed circuit board and directly connected to one another, so that the serial output of the first subcircuit is connected to the serial input of the second subcircuit.
  • the lines 40a and 40b are connected to one another via lines leading from the printed circuit board to the plug-in card, so that the parallel output of the second subcircuit is connected to the parallel input of the third subcircuit.
  • the senor 20 is both in the second embodiment (with the first subcircuit on a circuit board and the second and third subcircuit together on a plug-in card) and in the third embodiment (with the first and second subcircuit together on one conductor ⁇ plate and the third subcircuit on a plug-in card) with an arranged on the circuit board input of the first subcircuit, that is, the amplifier 24.
  • the sensor 20 can be mounted on the printed circuit board and protrude outwards through the wall of the housing of the computer, for example through the front wall 2.
  • the receiver part has its own housing or at least its own front plate 8
  • the sensor 20 can be mounted on the circuit board and project outwards through the wall of the housing of the receiver part, for example through the front plate 8.

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Human Computer Interaction (AREA)
  • General Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biophysics (AREA)
  • Molecular Biology (AREA)
  • Power Engineering (AREA)
  • Pathology (AREA)
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  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
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  • Arrangements For Transmission Of Measured Signals (AREA)
  • Pinball Game Machines (AREA)

Abstract

Le dispositif comprend un capteur (5, 7) pour la conversion des signaux optiques en signaux électriques, une partie réceptrice pour la transformation des signaux électriques en données et un ordinateur pour la transformation des données en informations utilisables. Le capteur (5, 7) est disposé sur une paroi (2) d'un boîtier (1) de l'ordinateur ou à proximité de cette paroi. La partie réceptrice est intégrée à l'ordinateur. Le capteur (5) peut être disposé sur une paroi (6, 8) d'une partie réceptrice intégrée au boîtier (1) de l'ordinateur, ou à proximité. Le boîtier de la partie réceptrice peut être réalisé sous la forme d'une unité au format standard d'une unité de disquettes (4). Il est alors monté dans le boîtier (1) de l'ordinateur à un emplacement prévu pour une unité de disquettes et équipé d'une plaque avant (8) qui est intégrée dans une paroi (2) du boîtier de l'ordinateur lorsque le boîtier de la partie réceptrice est monté sur l'ordinateur. Le capteur (7) est alors disposé sur la plaque avant (8) de la partie réceptrice ou à proximité de cette plaque.
PCT/CH1991/000203 1990-11-01 1991-09-25 Dispositif pour la reception et l'evaluation de signaux optiques WO1992008207A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
BR919106200A BR9106200A (pt) 1990-11-01 1991-09-25 Aparelho para recepcao e avaliacao de sinais oticos
AU85253/91A AU648824B2 (en) 1990-11-01 1991-09-25 Device for receiving and evaluating optical signals
KR1019920701573A KR920704238A (ko) 1990-11-01 1991-09-25 광신호 수신 및 평가장치

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH3471/90-6 1990-11-01
CH347190 1990-11-01

Publications (1)

Publication Number Publication Date
WO1992008207A1 true WO1992008207A1 (fr) 1992-05-14

Family

ID=4256682

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CH1991/000203 WO1992008207A1 (fr) 1990-11-01 1991-09-25 Dispositif pour la reception et l'evaluation de signaux optiques

Country Status (9)

Country Link
EP (1) EP0507899A1 (fr)
JP (1) JPH06342328A (fr)
KR (1) KR920704238A (fr)
CN (1) CN1025380C (fr)
AU (1) AU648824B2 (fr)
BR (1) BR9106200A (fr)
CA (1) CA2072877A1 (fr)
MX (1) MX9101655A (fr)
WO (1) WO1992008207A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2716286A1 (fr) * 1994-02-16 1995-08-18 Debiotech Sa Installation de surveillance à distance d'équipements commandables.
DE29509742U1 (de) * 1995-06-14 1995-08-24 Siemens AG, 80333 München Datenverarbeitungsanlage mit Infrarot-Datenübertragungsschnittstelle und Benutzungskontrollvorrichtung
EP0760568A1 (fr) * 1995-08-03 1997-03-05 International Computers Limited Dispositif d'accès à internet
EP0853272A3 (fr) * 1997-01-14 2000-08-02 Mitsumi Electric Company Ltd. Dispositif de stockage, dispositif de stockage/reproduction, et dispositifs de reproduction

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3975712A (en) * 1975-02-18 1976-08-17 Motorola, Inc. Asynchronous communication interface adaptor
EP0171747A2 (fr) * 1984-08-14 1986-02-19 Metaphor Computer Systems Souris intelligente sans fil
WO1989011692A1 (fr) * 1988-05-24 1989-11-30 Ming Zhu Installation d'extension fonctionnelle pour pc

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3975712A (en) * 1975-02-18 1976-08-17 Motorola, Inc. Asynchronous communication interface adaptor
EP0171747A2 (fr) * 1984-08-14 1986-02-19 Metaphor Computer Systems Souris intelligente sans fil
WO1989011692A1 (fr) * 1988-05-24 1989-11-30 Ming Zhu Installation d'extension fonctionnelle pour pc

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2716286A1 (fr) * 1994-02-16 1995-08-18 Debiotech Sa Installation de surveillance à distance d'équipements commandables.
WO1995022363A1 (fr) * 1994-02-16 1995-08-24 Debiotech S.A. Installation de surveillance a distance d'equipements commandables
US5764159A (en) * 1994-02-16 1998-06-09 Debiotech S.A. Apparatus for remotely monitoring controllable devices
DE29509742U1 (de) * 1995-06-14 1995-08-24 Siemens AG, 80333 München Datenverarbeitungsanlage mit Infrarot-Datenübertragungsschnittstelle und Benutzungskontrollvorrichtung
EP0760568A1 (fr) * 1995-08-03 1997-03-05 International Computers Limited Dispositif d'accès à internet
EP0853272A3 (fr) * 1997-01-14 2000-08-02 Mitsumi Electric Company Ltd. Dispositif de stockage, dispositif de stockage/reproduction, et dispositifs de reproduction
EP1452954A1 (fr) * 1997-01-14 2004-09-01 Mitsumi Electric Company Ltd. Dispositif de stockage, dispositif de stockage/reproduction ,et dispositif de reproduction

Also Published As

Publication number Publication date
BR9106200A (pt) 1993-03-23
CA2072877A1 (fr) 1992-05-02
KR920704238A (ko) 1992-12-19
AU8525391A (en) 1992-05-26
CN1061099A (zh) 1992-05-13
EP0507899A1 (fr) 1992-10-14
AU648824B2 (en) 1994-05-05
JPH06342328A (ja) 1994-12-13
MX9101655A (es) 1992-07-08
CN1025380C (zh) 1994-07-06

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