NL7502647A - Elektronische tjilpinrichting. - Google Patents

Elektronische tjilpinrichting.

Info

Publication number
NL7502647A
NL7502647A NL7502647A NL7502647A NL7502647A NL 7502647 A NL7502647 A NL 7502647A NL 7502647 A NL7502647 A NL 7502647A NL 7502647 A NL7502647 A NL 7502647A NL 7502647 A NL7502647 A NL 7502647A
Authority
NL
Netherlands
Prior art keywords
electronic
chirping device
chirping
electronic chirping
Prior art date
Application number
NL7502647A
Other languages
English (en)
Original Assignee
Playart 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 Playart Ltd filed Critical Playart Ltd
Publication of NL7502647A publication Critical patent/NL7502647A/nl

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B3/00—Audible signalling systems; Audible personal calling systems
    • G08B3/10—Audible signalling systems; Audible personal calling systems using electric transmission; using electromagnetic transmission
    • 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
    • G10H5/04—Instruments in which the tones are generated by means of electronic generators using generation of basic tones with semiconductor devices as active elements

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Amplifiers (AREA)
  • Electromechanical Clocks (AREA)
NL7502647A 1974-04-22 1975-03-06 Elektronische tjilpinrichting. NL7502647A (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1759774A GB1473151A (nl) 1974-04-22 1974-04-22

Publications (1)

Publication Number Publication Date
NL7502647A true NL7502647A (nl) 1975-10-24

Family

ID=10097952

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7502647A NL7502647A (nl) 1974-04-22 1975-03-06 Elektronische tjilpinrichting.

Country Status (8)

Country Link
US (1) US3971016A (nl)
AU (1) AU7875875A (nl)
DE (1) DE2518237A1 (nl)
GB (1) GB1473151A (nl)
HK (2) HK33178A (nl)
NL (1) NL7502647A (nl)
NO (1) NO750658L (nl)
SE (1) SE401283B (nl)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4337460A (en) * 1980-01-25 1982-06-29 Smith Engineering Hand-held sound effects device
US4294035A (en) * 1980-03-21 1981-10-13 George Eng Device with visual and audio output
AU718281B2 (en) * 1998-03-25 2000-04-13 Robert Bosch Gmbh A drive circuit for a sounder

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3707716A (en) * 1970-09-23 1972-12-26 Norman S Goralnick Multi-tone push button controlled electronic horn

Also Published As

Publication number Publication date
GB1473151A (nl) 1977-05-11
DE2518237A1 (de) 1975-11-06
NO750658L (nl) 1975-10-23
US3971016A (en) 1976-07-20
AU7875875A (en) 1976-09-09
SE401283B (sv) 1978-04-24
SE7502378L (sv) 1975-10-23
HK33078A (en) 1978-07-07
HK33178A (en) 1978-07-07

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Legal Events

Date Code Title Description
BV The patent application has lapsed