FR601331A - Improvements to Headbands Used with Telephone Receivers - Google Patents
Improvements to Headbands Used with Telephone ReceiversInfo
- Publication number
- FR601331A FR601331A FR601331DA FR601331A FR 601331 A FR601331 A FR 601331A FR 601331D A FR601331D A FR 601331DA FR 601331 A FR601331 A FR 601331A
- Authority
- FR
- France
- Prior art keywords
- telephone receivers
- headbands
- headbands used
- receivers
- telephone
- 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
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
- H04R1/105—Earpiece supports, e.g. ear hooks
-
- 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
Landscapes
- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Orthopedics, Nursing, And Contraception (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10027A US1616491A (en) | 1925-02-18 | 1925-02-18 | Headband for telephone receivers |
Publications (1)
Publication Number | Publication Date |
---|---|
FR601331A true FR601331A (en) | 1926-01-27 |
Family
ID=21743402
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR601331D Expired FR601331A (en) | 1925-02-18 | 1925-07-27 | Improvements to Headbands Used with Telephone Receivers |
Country Status (2)
Country | Link |
---|---|
US (1) | US1616491A (en) |
FR (1) | FR601331A (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2460458A (en) * | 1946-12-16 | 1949-02-01 | Robert M Kobrin | Headband and holder for telephone receivers |
US2946860A (en) * | 1957-01-03 | 1960-07-26 | Rca Corp | Headset |
US2924672A (en) * | 1958-08-26 | 1960-02-09 | Roanwell Corp | Headset |
US3461463A (en) * | 1967-06-09 | 1969-08-19 | American Optical Corp | Ear protector suspension devices and the combination with headgear |
US9036850B2 (en) * | 2013-06-19 | 2015-05-19 | Google Technology Holdings LLC | Augmented custom fit headset |
-
1925
- 1925-02-18 US US10027A patent/US1616491A/en not_active Expired - Lifetime
- 1925-07-27 FR FR601331D patent/FR601331A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US1616491A (en) | 1927-02-08 |
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