NL76211C - - Google Patents
Info
- Publication number
- NL76211C NL76211C NL76211DA NL76211C NL 76211 C NL76211 C NL 76211C NL 76211D A NL76211D A NL 76211DA NL 76211 C NL76211 C NL 76211C
- Authority
- NL
- Netherlands
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
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
- H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only
- H04R1/26—Spatial arrangements of separate transducers responsive to two or more frequency ranges
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D37/00—Circular looms
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D51/00—Driving, starting, or stopping arrangements; Automatic stop motions
- D03D51/18—Automatic stop motions
- D03D51/20—Warp stop motions
- D03D51/28—Warp stop motions electrical
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
- Stereophonic System (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE445765X | 1935-01-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL76211C true NL76211C (de) |
Family
ID=6537800
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL76211D NL76211C (de) | 1935-01-17 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2160112A (de) |
| FR (1) | FR800196A (de) |
| GB (1) | GB445765A (de) |
| NL (1) | NL76211C (de) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3273662A (en) * | 1966-09-20 | Stereo sound system | ||
| US2602860A (en) * | 1947-11-18 | 1952-07-08 | Doubt Leon Stewart | Loud-speaker structure |
| US2632055A (en) * | 1949-04-18 | 1953-03-17 | John E Parker | Loud speaker system |
| US2746559A (en) * | 1954-06-01 | 1956-05-22 | Ivan W Mastin | Serving tray mounted loud-speakers |
| US4199657A (en) * | 1978-07-21 | 1980-04-22 | Harvey Lane | Planar sound reproducing speaker system |
| US4657107A (en) * | 1986-02-18 | 1987-04-14 | Harwood Warren S | Loudspeaker cabinet |
-
0
- NL NL76211D patent/NL76211C/xx active
-
1935
- 1935-12-30 GB GB35959/35A patent/GB445765A/en not_active Expired
- 1935-12-31 FR FR800196D patent/FR800196A/fr not_active Expired
-
1936
- 1936-01-09 US US58430A patent/US2160112A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| GB445765A (en) | 1936-04-17 |
| US2160112A (en) | 1939-05-30 |
| FR800196A (fr) | 1936-06-29 |