FR2257937A1 - - Google Patents

Info

Publication number
FR2257937A1
FR2257937A1 FR7428987A FR7428987A FR2257937A1 FR 2257937 A1 FR2257937 A1 FR 2257937A1 FR 7428987 A FR7428987 A FR 7428987A FR 7428987 A FR7428987 A FR 7428987A FR 2257937 A1 FR2257937 A1 FR 2257937A1
Authority
FR
France
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
FR7428987A
Other versions
FR2257937B1 (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.)
Ebauches SA
Original Assignee
Ebauches SA
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 Ebauches SA filed Critical Ebauches SA
Publication of FR2257937A1 publication Critical patent/FR2257937A1/fr
Application granted granted Critical
Publication of FR2257937B1 publication Critical patent/FR2257937B1/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G9/00—Visual time or date indication means
    • G04G9/08—Visual time or date indication means by building-up characters using a combination of indicating elements, e.g. by using multiplexing techniques
    • G04G9/10—Visual time or date indication means by building-up characters using a combination of indicating elements, e.g. by using multiplexing techniques by controlling light sources, e.g. electroluminescent diodes
    • G04G9/102—Visual time or date indication means by building-up characters using a combination of indicating elements, e.g. by using multiplexing techniques by controlling light sources, e.g. electroluminescent diodes using multiplexing techniques
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/04—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of a single character by selection from a plurality of characters, or by composing the character by combination of individual elements, e.g. segments using a combination of such display devices for composing words, rows or the like, in a frame with fixed character positions
    • G09G3/06—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of a single character by selection from a plurality of characters, or by composing the character by combination of individual elements, e.g. segments using a combination of such display devices for composing words, rows or the like, in a frame with fixed character positions using controlled light sources
    • G09G3/12—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of a single character by selection from a plurality of characters, or by composing the character by combination of individual elements, e.g. segments using a combination of such display devices for composing words, rows or the like, in a frame with fixed character positions using controlled light sources using electroluminescent elements
    • G09G3/14—Semiconductor devices, e.g. diodes

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Theoretical Computer Science (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Power Conversion In General (AREA)
  • Control Of El Displays (AREA)
  • Led Devices (AREA)
  • Electroluminescent Light Sources (AREA)
  • Electric Clocks (AREA)
FR7428987A 1973-08-23 1974-08-23 Expired FR2257937B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1212073A CH578759B5 (fr) 1973-08-23 1973-08-23

Publications (2)

Publication Number Publication Date
FR2257937A1 true FR2257937A1 (fr) 1975-08-08
FR2257937B1 FR2257937B1 (fr) 1981-08-21

Family

ID=4380049

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7428987A Expired FR2257937B1 (fr) 1973-08-23 1974-08-23

Country Status (5)

Country Link
JP (1) JPS5051683A (fr)
CH (2) CH578759B5 (fr)
DE (2) DE2437839A1 (fr)
FR (1) FR2257937B1 (fr)
GB (1) GB1478668A (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2148104A1 (fr) 2008-07-21 2010-01-27 Siemens Aktiengesellschaft Palier radial magnétique et système de palier magnétique avec alimentation en courant électrique
DE102016116368B4 (de) 2016-09-01 2024-03-21 OSRAM Opto Semiconductors Gesellschaft mit beschränkter Haftung Treiberschaltung für wenigstens ein lichtemittierendes Bauelement und Steuerverfahren

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3534351A (en) * 1967-04-07 1970-10-13 Gen Electric Light coupled battery powered remote control apparatus
DE2004076A1 (de) * 1970-01-30 1971-08-05 Kieninger & Obergfell Elektronische Uhr geringen Leistungsbedarfes
FR2105003B3 (fr) * 1970-09-15 1973-06-08 Lip Horlogerie
DE2119707A1 (de) * 1971-04-22 1972-11-02 Gebr. Junghans Gmbh, 7230 Schramberg Schaltungsanordnung für den Antrieb batteriegespeister Uhren hoher Genauigkeit
JPS4823113U (fr) * 1971-07-23 1973-03-16
DE2148750A1 (de) * 1971-09-30 1973-05-17 Grabe Bernt Von Elektronische armbanduhr
DE2263671A1 (de) * 1972-12-27 1974-07-04 Siemens Ag Schaltungsanordnung von lichtemittierenden halbleiterelementen
US3784844A (en) * 1972-12-27 1974-01-08 Rca Corp Constant current circuit
DE2304506B2 (de) * 1973-01-31 1977-05-05 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Schaltung zum betrieb eines lumineszenz-halbleiterbauelementes

Also Published As

Publication number Publication date
DE2440581C3 (de) 1981-07-09
CH1212073A4 (fr) 1976-03-15
DE2437839A1 (de) 1975-03-27
FR2257937B1 (fr) 1981-08-21
DE2440581A1 (de) 1975-05-28
JPS5051683A (fr) 1975-05-08
CH578759B5 (fr) 1976-08-13
GB1478668A (en) 1977-07-06
DE2440581B2 (de) 1976-12-16

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Legal Events

Date Code Title Description
ST Notification of lapse