Transceiver

• US 20090017778A1
• Filed: 02/26/2008
• Published: 01/15/2009
• Est. Priority Date: 07/13/2007
• Status: Active Grant

• Current Assignee: Fujitsu Component Limited (Fujitsu Limited)
• Original Assignee: Fujitsu Component Limited (Fujitsu Limited)
• Inventors: Akieda, Shinichiro
• Granted Patent: US 7,974,588 B2
• Time in Patent Office: Days
• US Class Current: 455/90.300
• CPC Class Codes: H01M 50/216 adapted for button or coin cells
• CPC Class Codes: H04M 1/0262 for a battery compartment
• CPC Class Codes: H05K 5/0247 Electrical details of casings, e.g. terminals, passages for cables or wiring
• CPC Class Codes: Y02E 60/10 Energy storage using batteries

Abstract

A disclosed transceiver includes a case; a transceiver module housed in the case and configured to send and receive a signal; and a battery holder configured to hold a battery supplying electric power to the transceiver module. In the disclosed transceiver, the battery holder is formed using a part of the case and is disposed alongside the transceiver module so as not to overlap the transceiver module.

Claims

1. A transceiver, comprising:

a case;

a transceiver module housed in the case and configured to send and receive a signal; and

a battery holder configured to hold a battery supplying electric power to the transceiver module;

wherein the battery holder is formed using a part of the case and is disposed alongside the transceiver module so as not to overlap the transceiver module.

2. The transceiver as claimed in claim 1, wherein

the transceiver module includes a circuit board having a cut-out with a size and a shape corresponding to those of the battery;

and

the battery holder is formed by the cut-out of the circuit board and the part of the case which part corresponds to the cut-out.

3. The transceiver as claimed in claim 2, wherein the transceiver module and the battery holder are disposed such that the circuit board is located at a height within a thickness of the battery held in the battery holder.

4. The transceiver as claimed in claim 2, wherein

the battery holder includes a negative electrode to be brought into contact with an anode of the battery and a positive electrode to be brought into contact with a cathode of the battery;

one end of the negative electrode and one end of the positive electrode are attached to the circuit board; and

the other end of the negative electrode and the other end of the positive electrode protrude into the cut-out of the circuit board.

5. The transceiver as claimed in claim 2, wherein

the circuit board is shaped like a quadrangle;

the cut-out is formed in one side of the circuit board; and

an antenna unit of the transceiver module is formed in the other side of the circuit board.

6. The transceiver as claimed in claim 5, wherein

the antenna unit includes a home-plate-shaped element pattern and a ground pattern that are disposed such that a vertex of the element pattern is positioned close to an edge of the ground pattern;

and

the element pattern is positioned as far away as possible from the battery holder.

7. The transceiver as claimed in claim 1, wherein

the case comprises a lower-half case having a slit extending laterally, in which lower-half case the transceiver module is fixed, and an upper-half case having a protrusion;

and

the protrusion of the upper-half case is configured to fit into the slit of the lower-half case when the upper-half case is slid sideways with respect to the lower-half case and thereby to join the upper-half case and the lower-half case.

8. The transceiver as claimed in claim 7, wherein the slit of the lower-half case has a narrow entry and the protrusion of the upper-half case is configured to be pressed into the slit through the entry and to be locked in the slit.

9. The transceiver as claimed in claim 7, wherein the slit of the lower-half case comprises a stopper step that stops the protrusion of the upper-half case from entering further into the slit and an extension slit extending further from the stopper step.

10. The transceiver as claimed in claim 7, wherein the lower-half case includes a pillar to be press-fit into a through hole of the transceiver module to fix the transceiver module, the pillar having a protrusion on a circumferential surface thereof which protrusion is squashed when the pillar is press-fit into the through hole.

11. The transceiver as claimed in claim 1, further comprising:

a knob used to operate the transceiver;

wherein the knob is disposed in a recess formed in a side surface of the case.

12. The transceiver as claimed in claim 1, wherein the battery is a button battery and the battery holder is configured to hold the button battery.