OPTICAL MEMBER DRIVING APPARATUS FOR LASER RADAR

• US 20090086188A1
• Filed: 08/06/2008
• Published: 04/02/2009
• Est. Priority Date: 08/07/2007
• Status: Active Grant

• Current Assignee: Sanyo Electric Company Limited (Panasonic Holdings Corporation)
• Original Assignee: Sanyo Electric Company Limited (Panasonic Holdings Corporation)
• Inventors: Onojima, Noboru
• Granted Patent: US 7,903,236 B2
• Time in Patent Office: Days
• US Class Current: 356/4.10
• CPC Class Codes: G01S 17/931 of land vehicles
• CPC Class Codes: G01S 7/481 Constructional features, e.g. arrangements of optical elements

Abstract

An optical-member driving apparatus for laser radar, comprising: an optical-member integrated portion including an optical member and an optical-member mounted portion having the optical member mounted thereon; first erection members supporting the optical-member integrated portion; a relay portion to which the first erection members is connected; second erection members: supporting the relay portion; and a fixed portion to which the second erection members are connected.

Claims

1. An optical-member driving apparatus for laser radar, comprising:

an optical-member Integrated portion including ah optical member and an optical-member mounted portion having the optical member mounted thereon;

first erection members supporting the optical-member integrated portion;

a relay portion to which the first erection members is connected;

second erection members supporting the relay portion; and

a fixed portion to which the second erection members are connected.

2. The optical-member driving apparatus for laser radar according to claim 1, wherein

the first erection members connecting the optical-member integrated portion and the relay portion, and the second erection members connecting the relay portion and the fixed portion are different in rigidity in at least one of a lateral and longitudinal directions.

3. The optical-member driving apparatus for laser radar according to claim 1, wherein

the optical-member integrated portion and the relay portion are connected by a plurality of the first erection members, and each of the first erection members is disposed at a different angle;

and

the relay portion and the fixed portion are connected by a plurality of the second erection members, and each of the second erection members is disposed at;

a different angle.

4. The optical-member driving apparatus for laser radar according to claim 1, wherein

the optical-member integrated portion and the relay portion are connected by the first erection members bent flexibly when applied, with a force substantially in the lateral direction;

and

the relay portion and the fixed portion are connected by the second erection members capable of exerting high rigidity against a force substantially in the lateral direction.

5. The optical member driving apparatus for laser radar according to claim 1, wherein

the optical-member integrated portion and the relay portion are connected by the first erection members capable of exerting high rigidity against a force substantially in the longitudinal direction;

and

the relay portion and the fixed portion are connected by the second erection members bent flexibly when applied with a force substantially in the longitudinal direction.

6. The optical-member driving apparatus for laser radar according to claim 1, wherein

when an optical-member driving structure for laser radar provided with the first erection members and the second erection members is viewed from above,

the optical-member integrated portion and the relay portion are connected via the plurality of first erection members by extending a plurality of the first erection members substantially in parallel between the optical-member integrated portion and the relay portion;

and

the relay portion and the fixed portion are connected via the plurality of second erection members by extending a plurality of the second erection members inclined substantially in a truncated chevron state between the relay portion and the fixed portion.

7. The optical-member driving apparatus for laser radar according to claim 1, wherein

when an optical-member driving structure for laser radar provided with the first erection members and the second erection members is viewed oh the side,

the optical-member integrated portion and the relay portion are connected via the plurality of first erection members by extending a plurality of the first erecting members inclined substantially in a truncated chevron state between the optical-member integrated portion and the relay portion;

and

the relay portion and the fixed portion are connected via a plurality of the second erection members by extending a plurality of the second erection members substantially in parallel between the relay portion and the fixed portion.

8. The optical-member driving apparatus for laser radar

according to claim 1, wherein

the optical-member integrated portion is located on the front side;

the relay portion is located on the rear side; and

the fixed portion is located between the optical-member integrated portion and the relay portion.

9. The optical-member driving apparatus for laser radar according to claim 1, wherein

suspension wires formed substantially in a linear state are used as the first and second erection members.