JPH0324743U - - Google Patents
Info
- Publication number
- JPH0324743U JPH0324743U JP8494789U JP8494789U JPH0324743U JP H0324743 U JPH0324743 U JP H0324743U JP 8494789 U JP8494789 U JP 8494789U JP 8494789 U JP8494789 U JP 8494789U JP H0324743 U JPH0324743 U JP H0324743U
- Authority
- JP
- Japan
- Prior art keywords
- microphone
- car
- circuit board
- hole
- 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.)
- Pending
Links
Landscapes
- Structures For Mounting Electric Components On Printed Circuit Boards (AREA)
- Telephone Set Structure (AREA)
Description
第１図は本考案の一実施例を示す斜視図、第２
図は従来例を示す斜視図である。
１……マイク、２……プリントパターン、３…
…基板。
Fig. 1 is a perspective view showing one embodiment of the present invention;
The figure is a perspective view showing a conventional example. 1...Microphone, 2...Print pattern, 3...
…substrate.
Claims (1)
取付け構造において、 基板の片面にマイク専用のプリントパターンを
形成して、その一端に基板を貫通するホールを設
け、マイクには前記ホールに挿入する電極を形成
して、この電極をホールにはんだ付けにより固定
することで、マイクの電気的な接続を基板に直接
おこなえると共に、マイク自身の固定もおこなえ
るようにしたことを特徴とする自動車電話装置の
電話機内のマイク取付け構造。 (2) 前記プリントパターンにおいてその長さＬ
を、誘電率をεｒ、自動車電話の使用周波数をｆ
、電磁波の伝達速度をｃとして、 Ｌ＝ｃｆ√εｒ より求められる長さとしたことを特徴とする、
請求項(1)記載の自動車電話装置の電話機内のマ
イク取付け構造。[Scope of Claim for Utility Model Registration] (1) In the structure for mounting a microphone in a telephone set of a car telephone device, a printed pattern exclusively for the microphone is formed on one side of a circuit board, a hole is provided at one end of the circuit board to penetrate the circuit board, and the microphone is mounted on a microphone. is characterized in that by forming an electrode to be inserted into the hole and fixing this electrode to the hole by soldering, the electrical connection of the microphone can be made directly to the board, and the microphone itself can also be fixed. Microphone mounting structure inside the phone of a car phone device. (2) The length L of the print pattern
, the dielectric constant is εr, and the frequency used by the car phone is f
, where the transmission speed of electromagnetic waves is c, the length is determined by L=cf√εr,
A microphone mounting structure within a telephone of a car telephone device according to claim (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8494789U JPH0324743U (en) | 1989-07-21 | 1989-07-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8494789U JPH0324743U (en) | 1989-07-21 | 1989-07-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0324743U true JPH0324743U (en) | 1991-03-14 |
Family
ID=31633767
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8494789U Pending JPH0324743U (en) | 1989-07-21 | 1989-07-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0324743U (en) |
-
1989
- 1989-07-21 JP JP8494789U patent/JPH0324743U/ja active Pending
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