GB1353408A - Electronic timepiece - Google Patents

Electronic timepiece

Info

Publication number
GB1353408A
GB1353408A GB3412671A GB3412671A GB1353408A GB 1353408 A GB1353408 A GB 1353408A GB 3412671 A GB3412671 A GB 3412671A GB 3412671 A GB3412671 A GB 3412671A GB 1353408 A GB1353408 A GB 1353408A
Authority
GB
United Kingdom
Prior art keywords
liquid crystal
layer
electrodes
circuitry
electronic
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
GB3412671A
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.)
Compagnie des Montres Longines Francillon SA
Original Assignee
Compagnie des Montres Longines Francillon 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 Compagnie des Montres Longines Francillon SA filed Critical Compagnie des Montres Longines Francillon SA
Publication of GB1353408A publication Critical patent/GB1353408A/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G04HOROLOGY
    • G04GELECTRONIC TIME-PIECES
    • G04G9/00Visual time or date indication means
    • G04G9/0023Visual time or date indication means by light valves in general
    • G04G9/0029Details
    • G04G9/0035Details constructional
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/136Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
    • G02F1/1362Active matrix addressed cells
    • G02F1/136277Active matrix addressed cells formed on a semiconductor substrate, e.g. of silicon

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Optics & Photonics (AREA)
  • Electric Clocks (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
GB3412671A 1970-08-27 1971-07-21 Electronic timepiece Expired GB1353408A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1280070 1970-08-27

Publications (1)

Publication Number Publication Date
GB1353408A true GB1353408A (en) 1974-05-15

Family

ID=4386517

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3412671A Expired GB1353408A (en) 1970-08-27 1971-07-21 Electronic timepiece

Country Status (4)

Country Link
CH (1) CH1280070A4 (OSRAM)
DE (1) DE2137351B2 (OSRAM)
FR (1) FR2103542B1 (OSRAM)
GB (1) GB1353408A (OSRAM)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4103483A (en) * 1972-12-29 1978-08-01 Rca Corp. Electronic wristwatch
NL7906695A (nl) * 1979-09-07 1981-03-10 Philips Nv Weergeefinrichting.
FR3142861B1 (fr) 2022-12-01 2025-07-18 Commissariat Energie Atomique Procédé et dispositif de communication dans un réseau de communication sans fil

Also Published As

Publication number Publication date
CH1280070A4 (fr) 1972-08-15
DE2137351A1 (de) 1972-03-02
FR2103542A1 (OSRAM) 1972-04-14
FR2103542B1 (OSRAM) 1974-10-11
DE2137351B2 (de) 1973-11-15

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee