DE9003237U1 - - Google Patents
Info
- Publication number
- DE9003237U1 DE9003237U1 DE9003237U DE9003237U DE9003237U1 DE 9003237 U1 DE9003237 U1 DE 9003237U1 DE 9003237 U DE9003237 U DE 9003237U DE 9003237 U DE9003237 U DE 9003237U DE 9003237 U1 DE9003237 U1 DE 9003237U1
- Authority
- DE
- Germany
- 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 - Lifetime
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
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/46—Special adaptations for use as contact microphones, e.g. on musical instrument, on stethoscope
-
- A—HUMAN NECESSITIES
- A42—HEADWEAR
- A42B—HATS; HEAD COVERINGS
- A42B3/00—Helmets; Helmet covers ; Other protective head coverings
- A42B3/04—Parts, details or accessories of helmets
- A42B3/30—Mounting radio sets or communication systems
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE9003237U DE9003237U1 (en) | 1990-03-16 | 1990-03-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE9003237U DE9003237U1 (en) | 1990-03-16 | 1990-03-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE9003237U1 true DE9003237U1 (en) | 1990-05-23 |
Family
ID=6852151
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE9003237U Expired - Lifetime DE9003237U1 (en) | 1990-03-16 | 1990-03-16 |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE9003237U1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1450576A1 (en) * | 2001-10-30 | 2004-08-25 | Temco Japan Co., Ltd. | Transmitter/receiver worn on strap of mask or cap |
| WO2005004655A1 (en) * | 2003-06-30 | 2005-01-20 | Mine Safety Appliances Company | Communications device for a protective helmet |
| EP3138430A1 (en) * | 2015-09-01 | 2017-03-08 | BAE Systems PLC | Helmet for communications |
| WO2017037451A1 (en) * | 2015-09-01 | 2017-03-09 | Bae Systems Plc | Helmet for communications |
-
1990
- 1990-03-16 DE DE9003237U patent/DE9003237U1/de not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1450576A1 (en) * | 2001-10-30 | 2004-08-25 | Temco Japan Co., Ltd. | Transmitter/receiver worn on strap of mask or cap |
| EP1450576A4 (en) * | 2001-10-30 | 2008-06-25 | Temco Japan | Transmitter/receiver worn on strap of mask or cap |
| WO2005004655A1 (en) * | 2003-06-30 | 2005-01-20 | Mine Safety Appliances Company | Communications device for a protective helmet |
| US7110743B2 (en) | 2003-06-30 | 2006-09-19 | Mine Safety Appliances Company | Communications device for a protective helmet |
| AU2004255185B2 (en) * | 2003-06-30 | 2009-05-14 | Mine Safety Appliances Company | Communications device for a protective helmet |
| EP3138430A1 (en) * | 2015-09-01 | 2017-03-08 | BAE Systems PLC | Helmet for communications |
| WO2017037451A1 (en) * | 2015-09-01 | 2017-03-09 | Bae Systems Plc | Helmet for communications |
| US10441018B2 (en) | 2015-09-01 | 2019-10-15 | Bae Systems Plc | Helmet for communications |