FR2243573A1 - Broadband electro-optical coupler for telephony - uses point holography by scanning photo-matrix with laser's and LED's - Google Patents

Broadband electro-optical coupler for telephony - uses point holography by scanning photo-matrix with laser's and LED's

Info

Publication number
FR2243573A1
FR2243573A1 FR7332155A FR7332155A FR2243573A1 FR 2243573 A1 FR2243573 A1 FR 2243573A1 FR 7332155 A FR7332155 A FR 7332155A FR 7332155 A FR7332155 A FR 7332155A FR 2243573 A1 FR2243573 A1 FR 2243573A1
Authority
FR
France
Prior art keywords
matrix
photo
grid
led
holography
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
FR7332155A
Other languages
English (en)
Other versions
FR2243573B1 (fr
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
TREHEUX MICHEL FR
Original Assignee
TREHEUX MICHEL FR
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 TREHEUX MICHEL FR filed Critical TREHEUX MICHEL FR
Priority to FR7332155A priority Critical patent/FR2243573A1/fr
Publication of FR2243573A1 publication Critical patent/FR2243573A1/fr
Application granted granted Critical
Publication of FR2243573B1 publication Critical patent/FR2243573B1/fr
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/42—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker
    • H04Q3/52—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker using static devices in switching stages, e.g. electronic switching arrangements
    • H04Q3/526—Optical switching systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Holo Graphy (AREA)
FR7332155A 1973-09-06 1973-09-06 Broadband electro-optical coupler for telephony - uses point holography by scanning photo-matrix with laser's and LED's Granted FR2243573A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7332155A FR2243573A1 (en) 1973-09-06 1973-09-06 Broadband electro-optical coupler for telephony - uses point holography by scanning photo-matrix with laser's and LED's

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7332155A FR2243573A1 (en) 1973-09-06 1973-09-06 Broadband electro-optical coupler for telephony - uses point holography by scanning photo-matrix with laser's and LED's

Publications (2)

Publication Number Publication Date
FR2243573A1 true FR2243573A1 (en) 1975-04-04
FR2243573B1 FR2243573B1 (fr) 1978-09-08

Family

ID=9124708

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7332155A Granted FR2243573A1 (en) 1973-09-06 1973-09-06 Broadband electro-optical coupler for telephony - uses point holography by scanning photo-matrix with laser's and LED's

Country Status (1)

Country Link
FR (1) FR2243573A1 (fr)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0053957A1 (fr) * 1980-12-05 1982-06-16 Thomson-Csf Dispositif de commutation de faisceaux optiques, et central téléphonique comprenant un tel dispositif
FR2518766A1 (fr) * 1981-12-18 1983-06-24 Thomson Csf Dispositif de commutation de faisceaux optiques et central telephonique comprenant un tel dispositif
FR2544151A1 (fr) * 1983-04-06 1984-10-12 Thomson Csf Dispositif de commutation spatiale de faisceaux optiques
EP0279679A1 (fr) * 1987-02-20 1988-08-24 BRITISH TELECOMMUNICATIONS public limited company Commutateur optique spatial
EP0292353A1 (fr) * 1987-05-19 1988-11-23 Thomson-Csf Dispositif de contrôle d'un faisceau lumineux dans un grand champ angulaire, et application à un dispositif de détection
US4923269A (en) * 1987-01-29 1990-05-08 British Telecommunications Public Limited Company Bidirectional optical space switch
WO1990009615A1 (fr) * 1989-02-07 1990-08-23 British Aerospace Public Limited Company Ordinateurs optiques et interconnexions optiques
EP0384604A1 (fr) * 1989-02-07 1990-08-29 British Aerospace Public Limited Company Systèmes d'interconnexion optique

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0053957A1 (fr) * 1980-12-05 1982-06-16 Thomson-Csf Dispositif de commutation de faisceaux optiques, et central téléphonique comprenant un tel dispositif
FR2518766A1 (fr) * 1981-12-18 1983-06-24 Thomson Csf Dispositif de commutation de faisceaux optiques et central telephonique comprenant un tel dispositif
EP0083520A1 (fr) * 1981-12-18 1983-07-13 Thomson-Csf Dispositif de commutation de faisceaux optiques, et central téléphonique comprenant un tel dispositif
US4543662A (en) * 1981-12-18 1985-09-24 Thomson-Csf Optical beam switching device and telephone exchange comprising a device of this kind
FR2544151A1 (fr) * 1983-04-06 1984-10-12 Thomson Csf Dispositif de commutation spatiale de faisceaux optiques
EP0122192A1 (fr) * 1983-04-06 1984-10-17 Thomson-Csf Dispositif de commutation spatiale de faisceaux optiques
US4923269A (en) * 1987-01-29 1990-05-08 British Telecommunications Public Limited Company Bidirectional optical space switch
EP0279679A1 (fr) * 1987-02-20 1988-08-24 BRITISH TELECOMMUNICATIONS public limited company Commutateur optique spatial
WO1988006393A1 (fr) * 1987-02-20 1988-08-25 British Telecommunications Public Limited Company Commutateur spatial optique
AU597156B2 (en) * 1987-02-20 1990-05-24 British Telecommunications Public Limited Company Optical space switch
EP0292353A1 (fr) * 1987-05-19 1988-11-23 Thomson-Csf Dispositif de contrôle d'un faisceau lumineux dans un grand champ angulaire, et application à un dispositif de détection
FR2615635A1 (fr) * 1987-05-19 1988-11-25 Thomson Csf Dispositif de controle d'un faisceau lumineux dans un grand champ angulaire et application a un dispositif de detection
US4836629A (en) * 1987-05-19 1989-06-06 Thomson-Csf Device to control a light beam in a wide angle field and application to a sensing device
WO1990009615A1 (fr) * 1989-02-07 1990-08-23 British Aerospace Public Limited Company Ordinateurs optiques et interconnexions optiques
EP0384604A1 (fr) * 1989-02-07 1990-08-29 British Aerospace Public Limited Company Systèmes d'interconnexion optique

Also Published As

Publication number Publication date
FR2243573B1 (fr) 1978-09-08

Similar Documents

Publication Publication Date Title
DK0607261T3 (da) Skiltplade til et illumineret skilt
CN109709743B (zh) 一种结构光投影仪及3d摄像头
ES427720A1 (es) Una linea de transmision electro-optica.
JPS5360651A (en) Semiconductor laser with optical fibers
GB1111468A (en) Episcopic scanner
FR2243573A1 (en) Broadband electro-optical coupler for telephony - uses point holography by scanning photo-matrix with laser's and LED's
ES445752A1 (es) Un sistema de conmutacion holografico para conectar lineas telefonicas de entrada con lineas telefonicas de salida.
GB1313314A (en) Arrangement for the transmission of a beam of light modulated in accordance with data to be transmitted
EP0371795A3 (fr) Elément pour couplage optique
DE3175624D1 (en) Fingerprint sensor delivering an output signal corresponding to the topographic relief of a finger to be examined
JPS56106211A (en) Thick-film lens with optical filter
JPS56167115A (en) Connection structure of multicore optical fiber
JPS56120259A (en) Reader for equimultiple type video information
JPS57121285A (en) Light coupling device
FR2292953A1 (fr) Detecteur optique d'horizontalite
GB1254328A (en) Ultrasonic beam combiner in holography
JPS54158814A (en) Picture information reader
JPS5529841A (en) Light propagation device using optical fiber
JPS5724033A (en) Pickup device
JPS5488150A (en) Fiber sheet optical system
JPS5472068A (en) Optical processor
GB1147850A (en) Improvements in or relating to diode lasers
JPS54127213A (en) Photoelectric converter
JPS57171314A (en) Optical branching and coupling circuit
JPS5739594A (en) Coupling method for light source and optical fiber

Legal Events

Date Code Title Description
TP Transmission of property
TP Transmission of property