Electric light bulb type light source apparatus

• US 9,416,958 B2
• Filed: 11/30/2012
• Issued: 08/16/2016
• Est. Priority Date: 01/10/2012
• Status: Active Grant

• Current Assignee: Sony Corporation (Sony Group Corp.)
• Original Assignee: Sony Corporation (Sony Group Corp.)
• Inventors: Yotsumoto, Naoki, Miyata, Kouji
• Primary Examiner(s): Bowman, Mary Ellen
• Application Number:
  US14/363,939
• Publication Number:
  US 20140355246A1
• Time in Patent Office: 1,355 Days
• US Class Current: 1/1
• CPC Class Codes: F21K 9/23 Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings
• CPC Class Codes: F21K 9/237 Details of housings or cases, i.e. the parts between the light-generating element and the bases; Arrangement of components within housings or cases F21K9/238 takes precedence
• CPC Class Codes: F21K 9/238 Arrangement or mounting of circuit elements integrated in the light source
• CPC Class Codes: F21V 17/12 by screwing
• CPC Class Codes: F21V 19/0065 at least one conductive element acting as a support means, e.g. spring-mounted contact plate in a bayonet base
• CPC Class Codes: F21V 23/006 the substrate being distinct from the light source holder
• CPC Class Codes: F21V 23/009 the casing being inside the housing of the lighting device
• CPC Class Codes: F21V 23/02 the elements being transformers, impedances or power supply units, e.g. a transformer with a rectifier
• CPC Class Codes: F21V 23/0435 activated by remote control means
• CPC Class Codes: F21V 29/70 characterised by passive heat-dissipating elements, e.g. heat-sinks
• CPC Class Codes: F21V 3/02 characterised by the shape
• CPC Class Codes: F21V 33/0056 Audio equipment, e.g. music instruments, radios or speakers
• CPC Class Codes: F21V 7/24 characterised by the material
• CPC Class Codes: F21Y 2103/33 annular
• CPC Class Codes: F21Y 2105/18 annular; polygonal other than square or rectangular, e.g. for spotlights or for generating an axially symmetrical light beam
• CPC Class Codes: F21Y 2115/10 Light-emitting diodes [LED]
• CPC Class Codes: F21Y 2115/20 Electroluminescent [EL] light sources
• CPC Class Codes: H04R 1/025 Arrangements for fixing loudspeaker transducers, e.g. in a box, furniture
• CPC Class Codes: H04R 1/028 associated with devices performing functions other than acoustics, e.g. electric candles
• CPC Class Codes: H04R 2201/021 Transducers or their casings adapted for mounting in or to a wall or ceiling
• CPC Class Codes: H04R 2420/07 : Applications of wireless loudspeakers or wireless microphones
• CPC Class Codes: H05B 47/19 : via wireless transmission
• CPC Class Codes: H05B 47/195 : the transmission using visible or infrared light

Abstract

An electric light bulb type light source apparatus capable of ensuring high receiver sensitivity and achieving downsizing without sacrificing light distribution characteristics for lighting.

Claims

1. An electric light bulb type light source apparatus, comprising:

a light source unit having a void area;

a casing configured to house the light source unit, the casing having

a conductive outer case forming a first area in the casing and

a translucent cover forming a second area in the casing, the second area being opposed to the first area, the translucent cover being opposed to the conductive outer case;

a substrate containing box containing a plurality of circuit substrates, wherein the plurality of circuit substrates are disposed spaced apart along parallel planes and with empty space there between, wherein at least one of the plurality of circuit substrates has an antenna mounted thereon, the antenna being configured to receive a radio signal from an outside of the casing, the plurality of circuit substrates being housed in the casing, the plurality of circuit substrates penetrating through the void area in such a manner that the antenna is disposed in the second area; and

a base used for supplying power to the light source unit, the base being disposed on a side of the conductive outer case, which side is opposite to a side on which the translucent cover is provided.

2. The electric light bulb type light source apparatus according to claim 1, further comprising:

a speaker; and

a speaker drive circuit configured to drive the speaker by the power supplied from the base.

3. The electric light bulb type light source apparatus according to claim 2, wherein

one of the plurality of circuit substrates has a control circuit mounted thereon, the control circuit being configured to at least control the speaker drive circuit on the basis of the radio signal received by the antenna,

the speaker drive circuit being configured to drive the speaker on the basis of sound information contained in the radio signal received by the antenna.

4. The electric light bulb type light source apparatus according to claim 1, further comprising

a light source drive circuit configured to drive the light source unit, wherein

one of the plurality of circuit substrates has a control circuit mounted thereon, the control circuit being configured to at least control the light source drive circuit on the basis of the radio signal received by the antenna.

5. The electric light bulb type light source apparatus according to claim 1, wherein the light source unit includes a mounting substrate having a light source element mounted thereon, the mounting substrate having a through hole as the void area.

6. The electric light bulb type light source apparatus according to claim 5, wherein the light source unit has an LED (light emitting diode) or an EL (electro luminescence) element as the light source element.

7. The electric light bulb type light source apparatus according to claim 1, wherein the plurality of circuit substrates comprises:

a control substrate and a drive substrate,

wherein the antenna, an infrared receiving unit and a network control unit are mounted on the control substrate, and

wherein an LED driving circuit and an audio amplifier are mounted on the drive substrate.

8. The electric light bulb type light source apparatus according to claim 1, further comprising:

a heat sink having a plate shape and covering the circumference of the void area.

9. The electric light bulb type light source apparatus according to claim 1,

wherein the casing comprises a holding member having a tubular portion and a flange portion sandwiched between the first area and the second area in the casing, and

wherein the substrate containing box containing the plurality of circuit substrates is disposed in an area in the tubular portion of the holding member.