KR930005810U - 수화기의 쿳션장치 - Google Patents
수화기의 쿳션장치Info
- Publication number
- KR930005810U KR930005810U KR2019910013128U KR910013128U KR930005810U KR 930005810 U KR930005810 U KR 930005810U KR 2019910013128 U KR2019910013128 U KR 2019910013128U KR 910013128 U KR910013128 U KR 910013128U KR 930005810 U KR930005810 U KR 930005810U
- Authority
- KR
- South Korea
- Prior art keywords
- receiver device
- receiver
- Prior art date
Links
Classifications
-
- 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
- H04M1/03—Constructional features of telephone transmitters or receivers, e.g. telephone hand-sets
-
- 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
- H04R1/1008—Earpieces of the supra-aural or circum-aural type
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Telephone Set Structure (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019910013128U KR970003047Y1 (ko) | 1991-08-19 | 1991-08-19 | 수화기의 쿳션장치 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019910013128U KR970003047Y1 (ko) | 1991-08-19 | 1991-08-19 | 수화기의 쿳션장치 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR930005810U true KR930005810U (ko) | 1993-03-22 |
KR970003047Y1 KR970003047Y1 (ko) | 1997-04-09 |
Family
ID=19318020
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR2019910013128U KR970003047Y1 (ko) | 1991-08-19 | 1991-08-19 | 수화기의 쿳션장치 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR970003047Y1 (ko) |
-
1991
- 1991-08-19 KR KR2019910013128U patent/KR970003047Y1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
KR970003047Y1 (ko) | 1997-04-09 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
E902 | Notification of reason for refusal | ||
E701 | Decision to grant or registration of patent right | ||
REGI | Registration of establishment | ||
FPAY | Annual fee payment |
Payment date: 20010328 Year of fee payment: 5 |
|
LAPS | Lapse due to unpaid annual fee |