DE2601922C3 - Elektronische Türglocke - Google Patents

Elektronische Türglocke

Info

Publication number
DE2601922C3
DE2601922C3 DE2601922A DE2601922A DE2601922C3 DE 2601922 C3 DE2601922 C3 DE 2601922C3 DE 2601922 A DE2601922 A DE 2601922A DE 2601922 A DE2601922 A DE 2601922A DE 2601922 C3 DE2601922 C3 DE 2601922C3
Authority
DE
Germany
Prior art keywords
frequency
signal
transistor
circuit
signals
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
DE2601922A
Other languages
German (de)
English (en)
Other versions
DE2601922B2 (de
DE2601922A1 (de
Inventor
Yoshio Kusatsu Shiga Imamura
Kazushige Hirakata Morisue
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.)
Panasonic Electric Works Co Ltd
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
Matsushita Electric Works 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 Matsushita Electric Industrial Co Ltd, Matsushita Electric Works Ltd filed Critical Matsushita Electric Industrial Co Ltd
Publication of DE2601922A1 publication Critical patent/DE2601922A1/de
Publication of DE2601922B2 publication Critical patent/DE2601922B2/de
Application granted granted Critical
Publication of DE2601922C3 publication Critical patent/DE2601922C3/de
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
    • G10H5/00—Instruments in which the tones are generated by means of electronic generators
    • G10H5/02—Instruments in which the tones are generated by means of electronic generators using generation of basic tones
    • G10H5/06—Instruments in which the tones are generated by means of electronic generators using generation of basic tones tones generated by frequency multiplication or division of a basic tone
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
    • G10H1/00—Details of electrophonic musical instruments
    • G10H1/18—Selecting circuits
    • G10H1/26—Selecting circuits for automatically producing a series of tones
    • G10H1/30—Selecting circuits for automatically producing a series of tones to reiteratively sound two tones

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Electronic Switches (AREA)
  • Alarm Systems (AREA)
  • Devices For Supply Of Signal Current (AREA)
  • Push-Button Switches (AREA)
DE2601922A 1975-01-21 1976-01-20 Elektronische Türglocke Expired DE2601922C3 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50009587A JPS5184594A (en) 1975-01-21 1975-01-21 Denshichaimu

Publications (3)

Publication Number Publication Date
DE2601922A1 DE2601922A1 (de) 1976-07-22
DE2601922B2 DE2601922B2 (de) 1978-06-08
DE2601922C3 true DE2601922C3 (de) 1982-08-19

Family

ID=11724442

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2601922A Expired DE2601922C3 (de) 1975-01-21 1976-01-20 Elektronische Türglocke

Country Status (6)

Country Link
US (1) US4001816A (enExample)
JP (1) JPS5184594A (enExample)
DE (1) DE2601922C3 (enExample)
FR (1) FR2298847A1 (enExample)
GB (1) GB1540296A (enExample)
IT (1) IT1053391B (enExample)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1525974A (en) * 1975-09-16 1978-09-27 Rediffusion Reditronics Ltd Electric signal generating means
CA1100341A (en) * 1977-10-17 1981-05-05 Irvin B. Rea Driver circuit for tone generator
GB1596196A (en) * 1978-04-24 1981-08-19 Fieldtech Ltd Audio chime-signal generating circuit
US4213121C1 (en) * 1978-06-08 2002-05-14 Emhardt Ind Chime tone audio system utilizing a piezoelectric transducer
DE2852196C2 (de) * 1978-12-02 1983-01-27 Richard Hirschmann Radiotechnisches Werk, 7300 Esslingen Akustischer Warnsignalgeber mit periodisch sich ändernder Frequenz des Ausgangssignals
US4215339A (en) * 1979-04-23 1980-07-29 Emerson Electric Co. Electronic chime
DE3170322D1 (en) * 1980-11-18 1985-06-05 Siemens Ag Tone generator
US4482888A (en) * 1980-11-28 1984-11-13 Tokyo Shibaura Denki Kabushiki Kaisha Alarming apparatus
US4437088A (en) 1981-11-19 1984-03-13 General Signal Corporation Electrical simulation of percussive bell
US5459855A (en) * 1992-08-10 1995-10-17 Hewlett-Packard Company Frequency ratio detector for determining fixed frequency ratios in a computer system
EP0648364A1 (en) * 1993-04-30 1995-04-19 Federal Signal Corporation Tone generating circuit
US5633625A (en) * 1995-03-20 1997-05-27 Saturn Electronics & Engineering, Inc. Electronic chime module and method
US6617967B2 (en) 2001-01-10 2003-09-09 Mallory Sonalert Products, Inc. Piezoelectric siren driver circuit
ES2208085B1 (es) * 2002-06-27 2005-10-01 Manuel Lopez Macias Timbre electronico para puertas.
US10567711B1 (en) 2019-01-07 2020-02-18 Amazon Technologies, Inc. Batteryless doorbell with rectified power delivery
US11412189B1 (en) 2019-01-07 2022-08-09 Amazon Technologies, Inc. Batteryless doorbell with multi-load power delivery
US10803719B1 (en) * 2019-01-07 2020-10-13 Amazon Technologies, Inc. Batteryless doorbell with energy harvesters

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2910688A (en) * 1957-11-26 1959-10-27 Motorola Inc Electronic horn
DE1176526B (de) * 1963-12-09 1964-08-20 Westfaelische Metall Ind K G H Tonfolgeschalter fuer die akustische Signal-anlage vorfahrtberechtigter Fahrzeuge
FR1441207A (fr) * 1965-07-23 1966-06-03 Dispositif générateur de tonalité
US3460136A (en) * 1965-11-23 1969-08-05 Vartan M Jambazian Electronic sound signalling device
GB1341842A (en) * 1971-01-12 1973-12-25 Whetton Co Mfg Ltd A J Alarms
DE2149489C3 (de) * 1971-10-04 1974-07-25 Telefonbau Und Normalzeit Gmbh, 6000 Frankfurt Klangrufeinrichtung
US3872471A (en) * 1973-05-21 1975-03-18 Gen Signal Corp Pulsing bell having rectifier circuit

Also Published As

Publication number Publication date
US4001816A (en) 1977-01-04
FR2298847B1 (enExample) 1980-03-07
DE2601922B2 (de) 1978-06-08
GB1540296A (en) 1979-02-07
IT1053391B (it) 1981-08-31
JPS533906B2 (enExample) 1978-02-10
FR2298847A1 (fr) 1976-08-20
DE2601922A1 (de) 1976-07-22
JPS5184594A (en) 1976-07-23

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Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)