US 11,754,980 B2
Antenna receiving apparatus and electronic watch
Takeshi Matsue, Kokubunji (JP); Munetaka Seo, Fussa (JP); and Hiroshi Katsuda, Kodaira (JP)
Assigned to CASIO COMPUTER CO., LTD., Tokyo (JP)
Filed by CASIO COMPUTER CO., LTD., Tokyo (JP)
Filed on Jan. 4, 2023, as Appl. No. 18/149,797.
Application 18/149,797 is a continuation of application No. 17/330,674, filed on May 26, 2021, granted, now 11,573,536.
Claims priority of application No. 2020-092797 (JP), filed on May 28, 2020.
Prior Publication US 2023/0135052 A1, May 4, 2023
Int. Cl. H01Q 21/28 (2006.01); G04G 21/04 (2013.01); H01Q 1/27 (2006.01); H01Q 9/30 (2006.01)
CPC G04G 21/04 (2013.01) [H01Q 1/273 (2013.01); H01Q 9/30 (2013.01); H01Q 21/28 (2013.01)] 18 Claims
OG exemplary drawing
 
1. An antenna receiving apparatus comprising:
a first antenna;
a second antenna that is synchronized with a frequency band different from the first antenna;
a substrate that includes a receiving circuit connected to each of the first antenna and the second antenna; and
a back lid that includes a conductor, wherein the conductor is in at least a portion of the back lid,
wherein,
the first antenna is connected to a grounding surface of the substrate,
the second antenna is electrically connected to the conductor of the back lid and grounded, and
the substrate and the back lid are positioned to be electrically separated.