Chu khac tren con dau Nhat Ban - Quy tac so chu va kieu chu cho thuc an, ngan hang an va nhan an
So chu khac duoc tren thuc an (con dau dang ky) cua Nhat Ban phu thuoc vao kich thuoc mat dau va kieu chu. Voi mat dau duong kinh 15 mm, kieu ten thu (tenshotai) khac duoc toi da 6 chu, trong khi kieu in tuong the (insotai) co the dat 8 chu. Thiet ke so chu tren con dau la su can bang giua yeu cau phap ly, chong gia mao va kha nang doc.
Cac loai con dau va so chu
| Loai con dau | Kich thuoc pho bien | Noi dung khac | Pham vi so chu |
|---|---|---|---|
| Thuc an (con dau dang ky) | 13.5-18 mm | Ho va ten day du | 4-8 chu |
| Ngan hang an (dau ngan hang) | 12-15 mm | Chi ho hoac ho ten day du | 2-6 chu |
| Nhan an (dau thong thuong) | 10.5-12 mm | Chi ho | 2-4 chu |
| Dau phap nhan (dau dai dien) | 18 mm | Ten cong ty + dau dai dien | 10-20 chu |
| Dau ngan hang phap nhan | 16.5 mm | Ten cong ty + dau ngan hang | 8-15 chu |
| Dau vuong (dau cong ty) | 21-24 mm | Ten cong ty + chi an | 8-20 chu |
Thuc an la con dau dang ky tai chinh quyen dia phuong, dung cho giao dich bat dong san va dang ky xe. Hau het chinh quyen yeu cau "dau an phai nam trong hinh vuong tu 8 mm den 25 mm". Rang buoc vat ly nay quyet dinh gioi han so chu co the khac.
Kieu chu va moi quan he voi kha nang doc, chong gia mao
| Kieu chu | Kha nang doc | Chong gia mao | Cong dung chinh | Dac diem |
|---|---|---|---|---|
| Ten thu the (Tenshotai) | Thap | Cao | Thuc an | Kieu chu co nhat do Tan Thuy Hoang thong nhat |
| In tuong the (Insotai) | Thap | Cao nhat | Thuc an/Ngan hang an | Thiet ke doc dao voi chu noi vao khung |
| Co an the (Kointai) | Trung binh | Trung binh | Ngan hang an/Nhan an | Co ve dep nhu vet muc |
| Le thu the (Reishotai) | Cao | Thap | Nhan an | Ngang rong, de doc |
| Khai thu the (Kaishotai) | Cao nhat | Thap nhat | Nhan an/Dau cao su | Kieu chu dung hang ngay |
Thuc an duoc khuyen dung ten thu the hoac in tuong the de chong gia mao. Khai thu the ai cung doc duoc, nhung dieu do cung co nghia la ai cung co the bat chuoc. Ten thu the la kieu chu tu hon 2.000 nam truoc, nguoi hien dai kho doc. Su "kho doc" nay chinh la co che bao mat.
Kich thuoc mat dau va gioi han so chu
| Duong kinh mat dau | Dien tich | Toi da (Ten thu the) | Toi da (In tuong the) |
|---|---|---|---|
| 10.5 mm | Khoang 87 mm² | 3-4 chu | 4-5 chu |
| 12 mm | Khoang 113 mm² | 4-5 chu | 5-6 chu |
| 13.5 mm | Khoang 143 mm² | 5-6 chu | 6-7 chu |
| 15 mm | Khoang 177 mm² | 6-7 chu | 7-8 chu |
| 18 mm | Khoang 254 mm² | 8-10 chu | 10-12 chu |
In tuong the chua duoc nhieu chu hon vi thiet ke cho chu noi vao khung (vien) cua mat dau. Khung va chu hoa lam mot, nen giam duoc khoang cach giua cac chu. Day la ky thuat nen nguoc lai voi ky thuat giam so chu - "giam khoang cach de tang so chu".
So chu ten va cach chon kich thuoc con dau
| So chu ten | Vi du | Kich thuoc khuyen nghi (Thuc an) | Ghi chu |
|---|---|---|---|
| 4 chu tro xuong | 田中太郎 | 13.5 mm | Kich thuoc tieu chuan la du |
| 5-6 chu | 佐藤健太郎 | 15 mm | Lon hon mot chut se an tam |
| 7-8 chu | 長谷川美智子 | 16.5-18 mm | Khuyen nghi kich thuoc lon |
| 9 chu tro len | 東海林小百合子 | 18 mm | Kich thuoc lon nhat cung co the chat |
Thiet ke so chu cho dau phap nhan
Dau dai dien phap nhan (dau tron) co cau truc hai lop: vong ngoai khac ten cong ty, vong trong khac "dau dai dien giam doc".
Khi ten cong ty qua dai, vong ngoai co the khong du cho. Giai phap bao gom viet tat, dung tieng Anh hoac chi dung ten thuong hieu.
Dieu kien dang ky tai co quan phap luat yeu cau dau an "nam trong hinh vuong canh tu 1 cm den 3 cm". Trong rang buoc nay can chua ca ten cong ty va chuc danh, nen so chu ten cong ty anh huong truc tiep den thiet ke con dau.
Con dau dien tu va su thay doi van hoa con dau
Tu nam 2020, van hoa con dau cua Nhat Ban buoc vao giai doan chuyen doi lon. Voi su thanh lap Co quan Ky thuat so, viec bai bo dong dau trong thu tuc hanh chinh duoc day manh, chu ky dien tu ngay cang pho bien.
Tuy nhien, nhu cau ve thuc an chua hoan toan bien mat. Dang ky bat dong san, dang ky xe, lap cong chung thu van can thuc an. Linh vuc dien tu hoa va linh vuc giu con dau vat ly dang cung ton tai trong giai doan qua do.
Con dau dien tu khong co gioi han kich thuoc vat ly nen thoat khoi rang buoc so chu. Nhung de tai hien "cam giac dau an", thiet ke chu dao van la sap xep chu trong khung tron. Du rang buoc vat ly bien mat, rang buoc van hoa van tiep tuc.
Sach ve con dau va kieu chu co the tim tren Amazon.