GB1227531A - - Google Patents

Info

Publication number
GB1227531A
GB1227531A GB1227531DA GB1227531A GB 1227531 A GB1227531 A GB 1227531A GB 1227531D A GB1227531D A GB 1227531DA GB 1227531 A GB1227531 A GB 1227531A
Authority
GB
United Kingdom
Prior art keywords
vehicle
commentaries
storage device
pulses
recorded
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
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 filed Critical
Publication of GB1227531A publication Critical patent/GB1227531A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C19/00—Gyroscopes; Turn-sensitive devices using vibrating masses; Turn-sensitive devices without moving masses; Measuring angular rate using gyroscopic effects
    • G01C19/02—Rotary gyroscopes
    • G01C19/34—Rotary gyroscopes for indicating a direction in the horizontal plane, e.g. directional gyroscopes
    • G01C19/38—Rotary gyroscopes for indicating a direction in the horizontal plane, e.g. directional gyroscopes with north-seeking action by other than magnetic means, e.g. gyrocompasses using earth's rotation

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Traffic Control Systems (AREA)

Abstract

1,227,531. Indicating route progress in a vehicle. G.H.H. BRYAN. April 29, 1968 [Jan.28, 1967], No.4319/67. Heading G1K. [Also in Division G5] Recorded verbal commentaries are played back at predetermined points along a route under the control of trains of pulses recorded alternately with the commentaries and representative of the distances between successive such points, a pulse storage device, and means, e.g. driven by a vehicle speedometer cable or by a pedometer, transmitting pulses to the storage device according to the distance travelled by the vehicle or pedestrian. Reference has been directed by the Comptroller to Specification 1, 113, 522.
GB1227531D 1967-01-28 1967-01-28 Expired GB1227531A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB431967 1967-01-28

Publications (1)

Publication Number Publication Date
GB1227531A true GB1227531A (en) 1971-04-07

Family

ID=9774939

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1227531D Expired GB1227531A (en) 1967-01-28 1967-01-28

Country Status (1)

Country Link
GB (1) GB1227531A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2901880A1 (en) * 1978-01-20 1979-08-09 Nissan Motor NAVIGATION DEVICE FOR A MOTOR VEHICLE
GB2147701A (en) * 1983-10-07 1985-05-15 Ian Leslie Freeston Portable personal navigation aid

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2901880A1 (en) * 1978-01-20 1979-08-09 Nissan Motor NAVIGATION DEVICE FOR A MOTOR VEHICLE
US4291373A (en) * 1978-01-20 1981-09-22 Nissan Motor Company, Limited Navigational information announcing system for motor vehicle
GB2147701A (en) * 1983-10-07 1985-05-15 Ian Leslie Freeston Portable personal navigation aid

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Legal Events

Date Code Title Description
CSNS Application of which complete specification have been accepted and published, but patent is not sealed