DE3039861A1 - Uhr - Google Patents

Uhr

Info

Publication number
DE3039861A1
DE3039861A1 DE19803039861 DE3039861A DE3039861A1 DE 3039861 A1 DE3039861 A1 DE 3039861A1 DE 19803039861 DE19803039861 DE 19803039861 DE 3039861 A DE3039861 A DE 3039861A DE 3039861 A1 DE3039861 A1 DE 3039861A1
Authority
DE
Germany
Prior art keywords
piezoelectric element
membrane
housing
openings
diaphragm
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.)
Withdrawn
Application number
DE19803039861
Other languages
German (de)
English (en)
Inventor
Takahiko Ihochi
Kazuo Tokorozawa Saitama Kojima
Yutaka Mitaka Tokyo Nakajima
Masashi Koganei Tanaka
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Publication of DE3039861A1 publication Critical patent/DE3039861A1/de
Withdrawn legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G04HOROLOGY
    • G04GELECTRONIC TIME-PIECES
    • G04G17/00Structural details; Housings
    • G04G17/02Component assemblies
    • GPHYSICS
    • G04HOROLOGY
    • G04GELECTRONIC TIME-PIECES
    • G04G13/00Producing acoustic time signals
    • G04G13/02Producing acoustic time signals at preselected times, e.g. alarm clocks
    • G04G13/021Details

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromechanical Clocks (AREA)
  • Electric Clocks (AREA)
DE19803039861 1979-10-24 1980-10-22 Uhr Withdrawn DE3039861A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13640379A JPS5661677A (en) 1979-10-24 1979-10-24 Watch

Publications (1)

Publication Number Publication Date
DE3039861A1 true DE3039861A1 (de) 1981-05-27

Family

ID=15174343

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19803039861 Withdrawn DE3039861A1 (de) 1979-10-24 1980-10-22 Uhr

Country Status (6)

Country Link
US (1) US4362400A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS5661677A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CH (1) CH648722GA3 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE3039861A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB2061572B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
IN (1) IN152709B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62116000A (ja) * 1985-11-14 1987-05-27 Seikosha Co Ltd アラ−ム時計

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3879931A (en) * 1972-12-27 1975-04-29 Citizen Watch Co Ltd Electronic watch with an electronically operated sound producer
US3940919A (en) * 1973-10-03 1976-03-02 Citizen Watch Co., Ltd. Electronic wristwatch with electronic sound emitter device
DE2829992A1 (de) * 1977-07-09 1979-01-18 Citizen Watch Co Ltd Uhrgehaeuse fuer eine elektronische armbanduhr

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3906713A (en) * 1973-08-29 1975-09-23 Citizen Watch Co Ltd Electronic alarm wristwatch
JPS52151065U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1976-05-12 1977-11-16
JPS5847437Y2 (ja) * 1977-07-09 1983-10-28 シチズン時計株式会社 アラ−ム付電子時計ケ−ス

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3879931A (en) * 1972-12-27 1975-04-29 Citizen Watch Co Ltd Electronic watch with an electronically operated sound producer
US3940919A (en) * 1973-10-03 1976-03-02 Citizen Watch Co., Ltd. Electronic wristwatch with electronic sound emitter device
DE2829992A1 (de) * 1977-07-09 1979-01-18 Citizen Watch Co Ltd Uhrgehaeuse fuer eine elektronische armbanduhr

Also Published As

Publication number Publication date
IN152709B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1984-03-17
GB2061572B (en) 1983-07-06
CH648722GA3 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1985-04-15
GB2061572A (en) 1981-05-13
JPS5661677A (en) 1981-05-27
US4362400A (en) 1982-12-07

Similar Documents

Publication Publication Date Title
DE3888273T3 (de) Medizinischer Apparat zur Behandlung mit Ultraschall.
DE3021597C2 (de) Transparenter Flachlautsprecher
US4019510A (en) Therapeutic method of using low intensity direct current generator with polarity reversal
DE3856306T2 (de) Verfahren zur Herstellung von Applikatoren zur transdermalen Verabreichung von Medikamenten
DE2410527C3 (de) Elektronisches Zeitanzeigegerät
EP3566552A1 (de) Flächiges flexibles auflagestück für eine dielektrisch behinderte plasmabehandlung
DE1937868A1 (de) Zeitmessvorrichtung
DE3789822D1 (de) Flüssigkristallzelle mit elektrisch gesteuerter Doppelbrechung und Herstellungsverfahren für die Zelle.
DE112017003109T5 (de) Schwingungsvorrichtung und bilderzeugungsvorrichtung
WO2001035897A1 (de) Punktual-stimulations-therapiegerät
DE2255913A1 (de) Fluessigkristall-anzeigegeraet und steuer- und schaltvorrichtung fuer seinen betrieb
DE2202290C2 (de) Druckwandler zum Umwandeln von Flüssigkeitsdrucksignalen in elektrische Signale
DE69604612T2 (de) Sicherheitsvorrichtung mit akustischen Alarm
DE2325938A1 (de) Fluessigkristall-anzeigevorrichtung und verfahren zu ihrem betrieb
DE2059559A1 (de) Elektrode mit auswechselbarer Membran zur Messung von Ionenaktivitaeten
DE3039861A1 (de) Uhr
Stolorow et al. An ego-psychological analysis of the work and life of Otto Rank in the light of modern conceptions of narcissism.
DE2513546A1 (de) Festkoerper-zeitmessungseinrichtung in kompaktbauweise fuer universelle verwendung
DE2226522A1 (de) Zeitmesser mit Alarmvorrichtung
DE2703334A1 (de) Piezoelektrischer schwinger
DE112017004699T5 (de) Vernebler vom Netztyp und medizinische Flüssigkeitspackung
DE69503324T2 (de) Uhrwerk mit elektroakustischem Umsetzer
DE2618209B2 (de) Wasserdichtes uhrgehaeuse
DE2723190B2 (de) Schaltung zum Stillsetzen einer elektronischen Uhr
DE2215768A1 (de) Uhr mit elektronischem Wecker

Legal Events

Date Code Title Description
OM8 Search report available as to paragraph 43 lit. 1 sentence 1 patent law
8128 New person/name/address of the agent

Representative=s name: VON FUENER, A., DIPL.-CHEM. DR.RER.NAT. EBBINGHAUS

8139 Disposal/non-payment of the annual fee