BE471946A - - Google Patents
Info
- Publication number
- BE471946A BE471946A BE471946DA BE471946A BE 471946 A BE471946 A BE 471946A BE 471946D A BE471946D A BE 471946DA BE 471946 A BE471946 A BE 471946A
- Authority
- BE
- Belgium
- Prior art keywords
- band
- receiver
- tape
- receivers
- operator
- Prior art date
Links
- 239000002184 metal Substances 0.000 claims description 8
- 239000012528 membrane Substances 0.000 claims description 7
- 210000005069 ears Anatomy 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 230000006866 deterioration Effects 0.000 claims 1
- 230000001681 protective effect Effects 0.000 claims 1
- 239000004033 plastic Substances 0.000 description 4
- 238000010276 construction Methods 0.000 description 2
- 229920001342 Bakelite® Polymers 0.000 description 1
- 229940037003 alum Drugs 0.000 description 1
- 239000004637 bakelite Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002991 molded plastic Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R5/00—Stereophonic arrangements
- H04R5/033—Headphones for stereophonic communication
- H04R5/0335—Earpiece support, e.g. headbands or neckrests
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/04—Supports for telephone transmitters or receivers
- H04M1/05—Supports for telephone transmitters or receivers specially adapted for use on head, throat or breast
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Telephone Set Structure (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE471946A true BE471946A (enrdf_load_html_response) |
Family
ID=121660
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE471946D BE471946A (enrdf_load_html_response) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE471946A (enrdf_load_html_response) |
-
0
- BE BE471946D patent/BE471946A/fr unknown
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