| Patent Number |
Title Of Patent |
Date Issued |
| 6721236 |
Radio receiver having a hard disk drive |
April 13, 2004 |
| A radio receiver for use in a vehicle, the radio receiver including a hard-disk drive having a hard disk, on which data can be stored in a non-volatile manner on storage locations of the hard disk, and a write-read memory so that data stored on the hard disk can be transferred into t |
| 6447133 |
Lighting fitting with a diffusser |
September 10, 2002 |
| An illumination member with a diffuser in which spheres or particles having a different refractive index compared to the diffuser are distributed. The luminance on the output face of the diffuser can be controlled with the number, size and homogeneity of the diffused spheres or particles |
| 4515994 |
Combination electronic road guidance and communication system for vehicles |
May 7, 1985 |
| An automobile equipped with the vehicular portion of a traffic information and guidance system utilizing exchange of data between vehicles and the rest of the system through inductive coupling with loops set at various places in roadways, is provided with two-way telephone communication |
| 4251797 |
Vehicular direction guidance system, particularly for interchange of information between road mo |
February 17, 1981 |
| A circuit is provided to detect the direction of movement of the vehicle with respect to a fixed road mounted loop, which can then extend over opposing lanes of a highway network, the direction detecting equipment being mounted either on the vehicle, or connected to the road mounted unit |
| 4083008 |
Method and circuit for generation of digitally frequency-shiftable electric signals |
April 4, 1978 |
| A first counter operating as a frequency-shiftable frequency divider is caused to reset before its normal count recycle in one setting of a flip-flop to reduce the factor of frequency division in response to a keying signal. A second counter, operating on a digital input derived from |
