CA1031881A - Dispositif de commande d'un grand nombre de lampes - Google Patents

Dispositif de commande d'un grand nombre de lampes

Info

Publication number
CA1031881A
CA1031881A CA215,593A CA215593A CA1031881A CA 1031881 A CA1031881 A CA 1031881A CA 215593 A CA215593 A CA 215593A CA 1031881 A CA1031881 A CA 1031881A
Authority
CA
Canada
Prior art keywords
lamps
arrangement
controlling
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.)
Expired
Application number
CA215,593A
Other languages
English (en)
Other versions
CA215593S (en
Inventor
David Q. Lee
Dinesh K. Srivastava
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.)
GTE Automatic Electric Laboratories Inc
Original Assignee
GTE Automatic Electric Laboratories Inc
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 GTE Automatic Electric Laboratories Inc filed Critical GTE Automatic Electric Laboratories Inc
Application granted granted Critical
Publication of CA1031881A publication Critical patent/CA1031881A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/60—Semi-automatic systems, i.e. in which the numerical selection of the outgoing line is under the control of an operator
    • H04M3/62—Keyboard equipment

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)
CA215,593A 1974-01-28 1974-12-10 Dispositif de commande d'un grand nombre de lampes Expired CA1031881A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US438154*A US3909822A (en) 1974-01-28 1974-01-28 Arrangement for controlling a plurality of lamps

Publications (1)

Publication Number Publication Date
CA1031881A true CA1031881A (fr) 1978-05-23

Family

ID=23739471

Family Applications (1)

Application Number Title Priority Date Filing Date
CA215,593A Expired CA1031881A (fr) 1974-01-28 1974-12-10 Dispositif de commande d'un grand nombre de lampes

Country Status (2)

Country Link
US (1) US3909822A (fr)
CA (1) CA1031881A (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4149041A (en) * 1976-09-17 1979-04-10 The Post Office Telephone apparatus
JPS56104387A (en) 1980-01-22 1981-08-20 Citizen Watch Co Ltd Display unit
US4283659A (en) * 1980-04-07 1981-08-11 The Singer Company Display system utilizing incandescent lamp multiplexing
CA1192616A (fr) * 1981-06-08 1985-08-27 Canadian National Railway Company Systeme d'identification visuelle des canaux radio
US5026152A (en) * 1989-02-15 1991-06-25 Sharkey Steven D Enhanced cinema system
US5028915A (en) * 1989-08-24 1991-07-02 Michael Yang Device for controlling a display with a plurality of strings of light-emitting elements
US5726668A (en) * 1992-11-30 1998-03-10 The Dow Chemical Company Programmable graphics panel
US5874930A (en) * 1996-04-05 1999-02-23 Advanced Micro Devices, Inc. Serial display drive for electronic systems
JP2009105761A (ja) * 2007-10-24 2009-05-14 Fujitsu Component Ltd スキュー調整装置、送受信システム及びスキュー調整方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3550112A (en) * 1968-09-27 1970-12-22 Time O Matic Inc Solid state sign system
US3810150A (en) * 1971-12-23 1974-05-07 Tideland Signal Corp Navigational light system

Also Published As

Publication number Publication date
US3909822A (en) 1975-09-30

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