GB1480754A - Drive pulse generator for use in electronic analogue display clock apparatus - Google Patents

Drive pulse generator for use in electronic analogue display clock apparatus

Info

Publication number
GB1480754A
GB1480754A GB49978/74A GB4997874A GB1480754A GB 1480754 A GB1480754 A GB 1480754A GB 49978/74 A GB49978/74 A GB 49978/74A GB 4997874 A GB4997874 A GB 4997874A GB 1480754 A GB1480754 A GB 1480754A
Authority
GB
United Kingdom
Prior art keywords
time
reset
divider
signal
resetting
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
GB49978/74A
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.)
Toshiba Corp
Original Assignee
Tokyo Shibaura Electric Co Ltd
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 Tokyo Shibaura Electric Co Ltd filed Critical Tokyo Shibaura Electric Co Ltd
Publication of GB1480754A publication Critical patent/GB1480754A/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G04HOROLOGY
    • G04GELECTRONIC TIME-PIECES
    • G04G3/00Producing timing pulses
    • G04G3/02Circuits for deriving low frequency timing pulses from pulses of higher frequency
    • GPHYSICS
    • G04HOROLOGY
    • G04CELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C3/00Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means
    • G04C3/14Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means incorporating a stepping motor
    • GPHYSICS
    • G04HOROLOGY
    • G04GELECTRONIC TIME-PIECES
    • G04G5/00Setting, i.e. correcting or changing, the time-indication
    • G04G5/02Setting, i.e. correcting or changing, the time-indication by temporarily changing the number of pulses per unit time, e.g. quick-feed method

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromechanical Clocks (AREA)
  • Electrophonic Musical Instruments (AREA)
  • Control Of Stepping Motors (AREA)
GB49978/74A 1974-03-09 1974-11-19 Drive pulse generator for use in electronic analogue display clock apparatus Expired GB1480754A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP49027546A JPS581394B2 (ja) 1974-03-09 1974-03-09 キカイヒヨウジシキトケイソウチ ノ ケイスウカイロ

Publications (1)

Publication Number Publication Date
GB1480754A true GB1480754A (en) 1977-07-27

Family

ID=12224065

Family Applications (1)

Application Number Title Priority Date Filing Date
GB49978/74A Expired GB1480754A (en) 1974-03-09 1974-11-19 Drive pulse generator for use in electronic analogue display clock apparatus

Country Status (5)

Country Link
US (1) US3906256A (enrdf_load_stackoverflow)
JP (1) JPS581394B2 (enrdf_load_stackoverflow)
CH (1) CH613086B (enrdf_load_stackoverflow)
FR (1) FR2263546B1 (enrdf_load_stackoverflow)
GB (1) GB1480754A (enrdf_load_stackoverflow)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH611484B (fr) * 1975-11-18 Berney Sa Jean Claude Dispositif de commande d'un moteur pas a pas pour la mesure du temps.
US4150536A (en) * 1976-01-28 1979-04-24 Citizen Watch Company Limited Electronic timepiece
JPS597951B2 (ja) * 1978-02-13 1984-02-21 セイコーエプソン株式会社 時計
CH624538B (fr) * 1979-04-04 Ebauches Sa Piece d'horlogerie electronique.
US4464774A (en) * 1982-03-15 1984-08-07 Sperry Corporation High speed counter circuit
JP3825573B2 (ja) * 1999-02-17 2006-09-27 株式会社東芝 同期回路とその遅延回路

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1343330A (en) * 1970-07-27 1974-01-10 Suwa Seikosha Kk Electric timepieces
US3765163A (en) * 1972-03-17 1973-10-16 Uranus Electronics Electronic timepiece
JPS4895868A (enrdf_load_stackoverflow) * 1972-03-21 1973-12-08
JPS5647515B2 (enrdf_load_stackoverflow) * 1972-03-27 1981-11-10
GB1399024A (en) * 1972-07-12 1975-06-25 Suisse Pour Lindustrie Horloge Electronic correction circuit in a timepiece
JPS5442276B2 (enrdf_load_stackoverflow) * 1973-04-07 1979-12-13

Also Published As

Publication number Publication date
FR2263546B1 (enrdf_load_stackoverflow) 1977-11-04
JPS581394B2 (ja) 1983-01-11
CH613086B (de)
CH613086GA3 (enrdf_load_stackoverflow) 1979-09-14
JPS50136077A (enrdf_load_stackoverflow) 1975-10-28
FR2263546A1 (enrdf_load_stackoverflow) 1975-10-03
US3906256A (en) 1975-09-16

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
746 Register noted 'licences of right' (sect. 46/1977)
PE20 Patent expired after termination of 20 years

Effective date: 19941118