DK418974A - - Google Patents

Info

Publication number
DK418974A
DK418974A DK418974A DK418974A DK418974A DK 418974 A DK418974 A DK 418974A DK 418974 A DK418974 A DK 418974A DK 418974 A DK418974 A DK 418974A DK 418974 A DK418974 A DK 418974A
Authority
DK
Denmark
Application number
DK418974A
Other languages
Danish (da)
Other versions
DK135251B (da
DK135251C (zh
Inventor
H Rosenkilde
Original Assignee
H Rosenkilde
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 H Rosenkilde filed Critical H Rosenkilde
Priority to DK418974AA priority Critical patent/DK135251B/da
Priority to DE2512268A priority patent/DE2512268C3/de
Priority to US05/601,284 priority patent/US4028503A/en
Publication of DK418974A publication Critical patent/DK418974A/da
Publication of DK135251B publication Critical patent/DK135251B/da
Application granted granted Critical
Publication of DK135251C publication Critical patent/DK135251C/da

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K9/00—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers
    • G10K9/12—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers electrically operated

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
DK418974AA 1974-08-07 1974-08-07 Elektromagnetisk lydgenerator. DK135251B (da)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DK418974AA DK135251B (da) 1974-08-07 1974-08-07 Elektromagnetisk lydgenerator.
DE2512268A DE2512268C3 (de) 1974-08-07 1975-03-20 Elektromagnetischer Schallerzeuger
US05/601,284 US4028503A (en) 1974-08-07 1975-08-04 Electromagnetic sound generator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DK418974AA DK135251B (da) 1974-08-07 1974-08-07 Elektromagnetisk lydgenerator.

Publications (3)

Publication Number Publication Date
DK418974A true DK418974A (zh) 1976-02-08
DK135251B DK135251B (da) 1977-03-21
DK135251C DK135251C (zh) 1977-09-05

Family

ID=8131117

Family Applications (1)

Application Number Title Priority Date Filing Date
DK418974AA DK135251B (da) 1974-08-07 1974-08-07 Elektromagnetisk lydgenerator.

Country Status (3)

Country Link
US (1) US4028503A (zh)
DE (1) DE2512268C3 (zh)
DK (1) DK135251B (zh)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US540969A (en) * 1895-06-11 Telephone
FR680855A (fr) * 1929-08-27 1930-05-07 Cie De Construction D Accessoi Appareil producteur de sons actionné par électro-aimant
US3214753A (en) * 1962-05-22 1965-10-26 Automatic Power Inc Sound signal system

Also Published As

Publication number Publication date
DE2512268C3 (de) 1979-02-01
DK135251B (da) 1977-03-21
DK135251C (zh) 1977-09-05
DE2512268B2 (de) 1978-06-01
US4028503A (en) 1977-06-07
DE2512268A1 (de) 1976-02-26

Similar Documents

Publication Publication Date Title
FR2268833B1 (zh)
JPS50102420A (zh)
FR2260416B1 (zh)
FR2270334B1 (zh)
FR2315915B1 (zh)
FR2291039B1 (zh)
FR2287056B1 (zh)
AU495930B2 (zh)
JPS50102599U (zh)
FR2410952B2 (zh)
FR2272049B1 (zh)
FR2263282A1 (zh)
BG19768A1 (zh)
BG20462A1 (zh)
CH17274A4 (zh)
CH41675A4 (zh)
BG19987A1 (zh)
BG20440A1 (zh)
AU480863A (zh)
BG20446A1 (zh)
AU480758A (zh)
AU480471A (zh)
AU480208A (zh)
AU479931A (zh)
AU479765A (zh)