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GB2080653A - Optical communication systems - Google Patents

Optical communication systems Download PDF

Info

Publication number
GB2080653A
GB2080653A GB8120256A GB8120256A GB2080653A GB 2080653 A GB2080653 A GB 2080653A GB 8120256 A GB8120256 A GB 8120256A GB 8120256 A GB8120256 A GB 8120256A GB 2080653 A GB2080653 A GB 2080653A
Authority
GB
United Kingdom
Prior art keywords
impulses
light
photocell
time
photocells
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.)
Withdrawn
Application number
GB8120256A
Other languages
English (en)
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.)
BERMACO Srl
Original Assignee
BERMACO Srl
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 BERMACO Srl filed Critical BERMACO Srl
Publication of GB2080653A publication Critical patent/GB2080653A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B14/00Transmission systems not characterised by the medium used for transmission
    • H04B14/02Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation
    • H04B14/026Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation using pulse time characteristics modulation, e.g. width, position, interval

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Optical Communication System (AREA)
  • Electrotherapy Devices (AREA)
GB8120256A 1980-07-03 1981-07-01 Optical communication systems Withdrawn GB2080653A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT8005177A IT8005177A0 (it) 1980-07-03 1980-07-03 Coppia di fotocellule a raggi infrarossi.

Publications (1)

Publication Number Publication Date
GB2080653A true GB2080653A (en) 1982-02-03

Family

ID=11118892

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8120256A Withdrawn GB2080653A (en) 1980-07-03 1981-07-01 Optical communication systems

Country Status (6)

Country Link
BE (1) BE889433A (fr)
DE (1) DE3123758A1 (fr)
ES (1) ES503616A0 (fr)
FR (1) FR2486278A1 (fr)
GB (1) GB2080653A (fr)
IT (1) IT8005177A0 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0089641A1 (fr) * 1982-03-24 1983-09-28 Brunnquell GmbH Fabrik elektrotechnischer Apparate Récepteur de télécommande,notamment pour commander des appareils électriques

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3605885A1 (de) * 1986-02-24 1987-08-27 Ifm Electronic Gmbh Lichtschranke
DE3803033A1 (de) * 1988-02-02 1989-08-10 Sick Erwin Gmbh Lichtschrankengitter
DE4141468C2 (de) * 1991-12-16 1994-06-30 Sick Optik Elektronik Erwin Optische Sensoranordnung und Verfahren zu deren Betrieb
DE4142529C2 (de) * 1991-12-21 1994-08-25 Hirschmann Richard Gmbh Co Sicherungseinrichtung
US5416316A (en) * 1992-12-14 1995-05-16 Erwin Sick Gmbh Optik-Electronik Optical sensor arrangement for presence detection with variable pulse repetition frequency
DE4323910C2 (de) * 1993-07-16 1995-08-10 Leuze Electronic Gmbh & Co Lichtschranke mit einer Auswerteelektronik zum Erkennen von Störsignalen
DE19605102A1 (de) * 1996-02-12 1997-08-14 Siemens Nixdorf Inf Syst Infrarot-Sicherungssystem
DE19924351C2 (de) * 1998-06-05 2003-07-24 Leuze Electronic Gmbh & Co Lichtschranke

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0089641A1 (fr) * 1982-03-24 1983-09-28 Brunnquell GmbH Fabrik elektrotechnischer Apparate Récepteur de télécommande,notamment pour commander des appareils électriques

Also Published As

Publication number Publication date
BE889433A (fr) 1981-10-16
IT8005177A0 (it) 1980-07-03
ES8203531A1 (es) 1982-04-16
FR2486278A1 (fr) 1982-01-08
DE3123758A1 (de) 1982-05-06
ES503616A0 (es) 1982-04-16

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)