DE3068136D1 - A frequency-matched signal device for persons with impaired hearing - Google Patents
A frequency-matched signal device for persons with impaired hearingInfo
- Publication number
- DE3068136D1 DE3068136D1 DE8080850181T DE3068136T DE3068136D1 DE 3068136 D1 DE3068136 D1 DE 3068136D1 DE 8080850181 T DE8080850181 T DE 8080850181T DE 3068136 T DE3068136 T DE 3068136T DE 3068136 D1 DE3068136 D1 DE 3068136D1
- Authority
- DE
- Germany
- Prior art keywords
- persons
- frequency
- signal device
- matched signal
- impaired hearing
- 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
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R25/00—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
- H04R25/35—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception using translation techniques
- H04R25/353—Frequency, e.g. frequency shift or compression
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Neurosurgery (AREA)
- Otolaryngology (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Circuit For Audible Band Transducer (AREA)
- Alarm Systems (AREA)
- Electrophonic Musical Instruments (AREA)
- Toys (AREA)
- Selective Calling Equipment (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE7909920A SE419280B (sv) | 1979-11-30 | 1979-11-30 | Frekvensanpassad signalanordning for horselskadade |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3068136D1 true DE3068136D1 (en) | 1984-07-12 |
Family
ID=20339449
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8080850181T Expired DE3068136D1 (en) | 1979-11-30 | 1980-11-28 | A frequency-matched signal device for persons with impaired hearing |
Country Status (8)
Country | Link |
---|---|
US (1) | US4631517A (de) |
EP (1) | EP0030219B1 (de) |
JP (1) | JPS5694399A (de) |
DE (1) | DE3068136D1 (de) |
DK (1) | DK509880A (de) |
FI (1) | FI803701L (de) |
NO (1) | NO147087C (de) |
SE (1) | SE419280B (de) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR900003594B1 (ko) * | 1985-01-07 | 1990-05-26 | 니홍덴소 가부시기 가이샤 | 경보음 발생장치 |
US5898363A (en) * | 1997-03-05 | 1999-04-27 | Safety Systems, Inc. | Portable audible beacon |
WO1998057761A1 (fr) * | 1997-06-18 | 1998-12-23 | Sanyo Electric Co., Ltd. | Avertisseur |
US7089176B2 (en) * | 2003-03-27 | 2006-08-08 | Motorola, Inc. | Method and system for increasing audio perceptual tone alerts |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1389409A (fr) * | 1962-07-25 | 1965-02-19 | Procédé de correction auditive et appareils de correction auditive selon ce procédé | |
GB1341842A (en) * | 1971-01-12 | 1973-12-25 | Whetton Co Mfg Ltd A J | Alarms |
DE2261110C3 (de) * | 1972-12-14 | 1978-07-27 | Robert Bosch Gmbh, 7000 Stuttgart | Schalteinrichtung für akustische Signalgeräte |
GB1583759A (en) * | 1976-10-07 | 1981-02-04 | Mettoy Co Ltd | Two-tone audible signal circuit |
-
1979
- 1979-11-30 SE SE7909920A patent/SE419280B/sv not_active IP Right Cessation
-
1980
- 1980-11-28 US US06/211,338 patent/US4631517A/en not_active Expired - Lifetime
- 1980-11-28 EP EP80850181A patent/EP0030219B1/de not_active Expired
- 1980-11-28 FI FI803701A patent/FI803701L/fi not_active Application Discontinuation
- 1980-11-28 NO NO803614A patent/NO147087C/no unknown
- 1980-11-28 DK DK509880A patent/DK509880A/da unknown
- 1980-11-28 DE DE8080850181T patent/DE3068136D1/de not_active Expired
- 1980-11-28 JP JP16792980A patent/JPS5694399A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
SE7909920L (sv) | 1981-05-31 |
FI803701L (fi) | 1981-05-31 |
DK509880A (da) | 1981-05-31 |
JPS5694399A (en) | 1981-07-30 |
NO147087B (no) | 1982-10-18 |
EP0030219A1 (de) | 1981-06-10 |
NO147087C (no) | 1983-01-26 |
SE419280B (sv) | 1981-07-20 |
US4631517A (en) | 1986-12-23 |
EP0030219B1 (de) | 1984-06-06 |
NO803614L (no) | 1981-06-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8339 | Ceased/non-payment of the annual fee |