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GB1534958A - Electronic watch - Google Patents

Electronic watch

Info

Publication number
GB1534958A
GB1534958A GB2069876A GB2069876A GB1534958A GB 1534958 A GB1534958 A GB 1534958A GB 2069876 A GB2069876 A GB 2069876A GB 2069876 A GB2069876 A GB 2069876A GB 1534958 A GB1534958 A GB 1534958A
Authority
GB
United Kingdom
Prior art keywords
spring
case
contact
electronic watch
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
GB2069876A
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.)
Raytheon Co
Original Assignee
Hughes Aircraft Co
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
Priority claimed from US05/591,212 external-priority patent/US4044380A/en
Application filed by Hughes Aircraft Co filed Critical Hughes Aircraft Co
Publication of GB1534958A publication Critical patent/GB1534958A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00Television systems
    • H04N7/002Special television systems not provided for by H04N7/007 - H04N7/18
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/02Input arrangements using manually operated switches, e.g. using keyboards or dials
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09BEDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B7/00Electrically-operated teaching apparatus or devices working with questions and answers
    • G09B7/02Electrically-operated teaching apparatus or devices working with questions and answers of the type wherein the student is expected to construct an answer to the question which is presented or wherein the machine gives an answer to the question presented by a student

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Educational Administration (AREA)
  • Educational Technology (AREA)
  • Business, Economics & Management (AREA)
  • Human Computer Interaction (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Electric Clocks (AREA)
  • Electromechanical Clocks (AREA)

Abstract

1534958 Electronic watches HUGHES AIRCRAFT CO 19 May 1976 [27 June 1975] 20698/76 Heading G3T The Specification relates to an electronic watch generally similar to that in Specification 1489731 and having at least one contact spring, such as spring 52 or 72, with jaws clamped on the edge of (ceramic) circuit substrate 14 to engage a contact pad thereon. The spring may be U-shaped, like the spring 52, with a free end engageable by a pushbutton 100 at case potential. Alternatively, as in the case of spring 72, the spring is permanently in contact with a conductive part of the watch case.
GB2069876A 1975-06-27 1976-05-19 Electronic watch Expired GB1534958A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/591,212 US4044380A (en) 1973-12-17 1975-06-27 Encoder and constructed answer system for television

Publications (1)

Publication Number Publication Date
GB1534958A true GB1534958A (en) 1978-12-06

Family

ID=24365558

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2069876A Expired GB1534958A (en) 1975-06-27 1976-05-19 Electronic watch

Country Status (1)

Country Link
GB (1) GB1534958A (en)

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Legal Events

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