Water/drip-proof structure for acoustic member and electronic apparatus having the same

• US 20050220448A1
• Filed: 01/11/2005
• Published: 10/06/2005
• Est. Priority Date: 01/15/2004
• Status: Active Grant

• Current Assignee: Olympus Corporation
• Original Assignee: Olympus Corporation
• Inventors: Tanaka, Nobuyuki, Ota, Masaya, Murayama, Kyoji, Tei, Ko
• Granted Patent: US 7,577,345 B2
• Time in Patent Office: Days
• US Class Current: 396/25
• CPC Class Codes: G03B 17/08 Waterproof bodies or housings
• CPC Class Codes: G03B 31/00 Associated working of cameras or projectors with sound-recording or sound-reproducing means
• CPC Class Codes: H04M 1/03 Constructional features of telephone transmitters or receivers, e.g. telephone hand-sets
• CPC Class Codes: H04M 1/18 Telephone sets specially adapted for use in ships, mines, or other places exposed to adverse environment H04M1/19 takes precedence
• CPC Class Codes: H04R 1/028 associated with devices performing functions other than acoustics, e.g. electric candles
• CPC Class Codes: H04R 2499/11 Transducers incorporated or for use in hand-held devices, e.g. mobile phones, PDA's, camera's

Abstract

A digital camera having an acoustic member includes a first cover, a water-proof sheet and a second cover. The second cover is spaced from the water-proof sheet. The first cover has a first sound hole opposed to the acoustic member. The water-proof sheet is disposed such as to covers the first sound hole. The second cover has a second sound hole. The second sound hole is deviated in position toward an outer periphery of the first sound hole so that the second sound hole is not located on an extension of an axis of the first sound hole.

Claims

1. A water/drip-proof structure for an acoustic member comprising:

a first cover which has a first sound hole at a position opposed to the acoustic member,

a water-proof sheet which covers the first sound hole,

a second cover which is spaced from an outer surface of the water-proof sheet, and

a second sound hole which is opened in the second cover and located at a position spaced from an outer peripheral portion of the first sound hole in a diametrical direction thereof.

2. The water/drip-proof structure for the acoustic member according to claim 1, wherein the acoustic member is a microphone.

3. The water/drip-proof structure for the acoustic member according to claim 1, wherein the acoustic member is a speaker.

4. The water/drip-proof structure for the acoustic member according to claim 1, wherein the water-proof sheet is disposed so as to extend to a portion opposed to the second sound hole.

5. The water/drip-proof structure for the acoustic member according to claim 1, wherein a distance between an opening edge of the first sound hole and the second sound hole is longer than a diameter of the second sound hole.

6. The water/drip-proof structure for the acoustic member according to claim 1, wherein the second cover further has a through hole spaced farther from the acoustic member than the second sound hole, and the first cover has a communication portion which extends between the second sound hole and the through hole.

7. The water/drip-proof structure for the acoustic member according to claim 6, wherein an arc surface or a slant surface is formed on a wall of the communication portion which corresponds to the second sound hole and the through hole.

8. An electronic apparatus having a water/drip-proof structure for an acoustic member, comprising:

a first cover which has a first sound hole at a position opposed to the acoustic member,

a water-proof sheet which covers the first sound hole,

a second cover which is spaced from an outer surface of the water-proof sheet, and

a second sound hole which is opened in the second cover and located at a position spaced from an outer peripheral portion of the first sound hole in a diametrical direction thereof.

9. The electronic apparatus according to claim 8, wherein the acoustic member is a microphone.

10. The electronic apparatus according to claim 8, wherein the acoustic member is a speaker.

11. The electronic apparatus according to claim 8, wherein the water-proof sheet is disposed so as to extend to a portion opposed to the second sound hole.

12. The electronic apparatus according to claim 8, wherein a distance between an opening edge of the first sound hole and the second sound hole is longer than a diameter of the second sound hole.

13. The electronic apparatus according to claim 8, wherein the second cover further has a through hole spaced farther from the acoustic member than the second sound hole, and the first cover has a communication portion which extends between the second sound hole and the through hole.

14. The electronic apparatus according to claim 13, wherein an arc surface or a slant surface is formed on a wall of the communication portion which corresponds to the second sound hole and the through hole.