PL89234B1 - - Google Patents

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Info

Publication number: PL89234B1
Authority: PL; Poland
Prior art keywords: current; transistor; voltage; counter; indicators
Prior art date: 1972-06-19

Application number

PL16233973A

Other languages

English (en)

Polish (pl)

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.)

1972-06-19

Filing date

1973-05-04

Publication date

1976-11-30

1972-06-19 Priority claimed from US00263919A external-priority patent/US3838564A/en

1973-05-04 Application filed filed Critical

1976-11-30 Publication of PL89234B1 publication Critical patent/PL89234B1/pl

Links

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Landscapes

Electric Clocks (AREA)

PL16233973A 1972-06-19 1973-05-04 PL89234B1 (2)

Applications Claiming Priority (7)

Application Number	Priority Date	Filing Date	Title
US26381972A	1972-06-19	1972-06-19
US26421672A	1972-06-19	1972-06-19
US26382072A	1972-06-19	1972-06-19
US00263919A US3838564A (en)	1972-06-19	1972-06-19	Oscillator
US264212A US3886726A (en)	1972-06-19	1972-06-19	Electronic time keeping system
US00263920A US3809994A (en)	1972-06-19	1972-06-19	Low power dc-dc converter employing intermittent bursts of blocking oscillations
US00263818A US3828548A (en)	1972-06-19	1972-06-19	Liquid crystal drive circuit

Publications (1)

Publication Number	Publication Date
PL89234B1 true PL89234B1 (2)	1976-11-30

Family

ID=27569508

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
PL16233973A PL89234B1 (2)	1972-06-19	1973-05-04

Country Status (3)

Country	Link
DD (1)	DD106484A5 (2)
HU (1)	HU170229B (2)
PL (1)	PL89234B1 (2)

1973
- 1973-05-04 PL PL16233973A patent/PL89234B1/pl unknown
- 1973-05-30 HU HUTE000717 patent/HU170229B/hu unknown
- 1973-06-18 DD DD17161973A patent/DD106484A5/xx unknown

Also Published As

Publication number	Publication date
DD106484A5 (2)	1974-06-12
HU170229B (2)	1977-04-28

Publication	Publication Date	Title
US4080780A (en)	1978-03-28	Electronic time keeping system
DE2113350A1 (de)	1971-12-02	Elektronischer Zeitmesser,insbesondere Armbanduhr
US4041692A (en)	1977-08-16	Electronic clock having time indicating light display
DE2643455C2 (de)	1983-01-05	Elektronische Uhr mit einer Spannungswandlereinrichtung
GB1392989A (en)	1975-05-07	Solid state electronic timepiece
DE2513451A1 (de)	1975-10-02	Elektronische uhr-rechner-einheit
US4112671A (en)	1978-09-12	Pulse motor driving system for use in a timepiece
GB2052111A (en)	1981-01-21	Electronic timer
PL89234B1 (2)	1976-11-30
GB2067332A (en)	1981-07-22	Electro-optical display arrangements
CN103166552A (zh)	2013-06-19	步进电动机控制电路、机芯以及模拟电子钟表
US9729095B2 (en)	2017-08-08	Stepping motor control circuit, semiconductor device, and analog electronic timepiece
US4030285A (en)	1977-06-21	Electronic hour glass clock
JPS59131976A (ja)	1984-07-28	太陽電池内蔵式発光・反射型標識装置
US4254487A (en)	1981-03-03	Electronic time piece
US3886724A (en)	1975-06-03	Liquid crystal display watch
DE2338287C3 (de)	1979-03-08	Schaltung zur Helligkeitssteuerung der Anzeigeeinheiten einer Digitaluhr
GB2041615A (en)	1980-09-10	Electrochromic displays
RU2127446C1 (ru)	1999-03-10	Устройство электронного отсчета времени с прямолинейным светоизлучающим индикатором
US3491531A (en)	1970-01-27	Impulse means for a horological oscillator
JPS6219991Y2 (2)	1987-05-21
DE1928878A1 (de)	1970-06-25	Zeitmessinstrument
US3508391A (en)	1970-04-28	Electronic controlled time piece
DE2641779C2 (de)	1978-12-14	Elektronische Uhr mit Analoganzeige
CS235468B1 (cs)	1985-05-15	Zapojení chronometrického zařízení pro vytváření časových signálů